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Air Power Units, Blowers, & Accessories
> Positive Displacement Blowers - Roots® RCS® WHISPAIR Positive Displacement Blowers
| Positive Displacement Blowers - Roots® RCS® WHISPAIR Positive Displacement Blowers |
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ROOTS™ RCS-J™ WHISPAIR™ Rotary Positive Blowers
Frames 715J, 721J, 817J, 821J, 826J, 832J
WHISPAIR blowers reduce noise and power loss by utilizing an exclusive
wraparound plenum and proprietary WHISPAIR jet to control pressure equalization feeding backflow in the direction of impeller movement, thereby aiding rotation.
Features: Low noise level, less operating power required,
Alloy steel timing gears, Cylindrical roller bearings, Piston ring air seals,
Lip-type oil seals, Splash oil lubrication,
High volumetric efficiency, Horizontal and vertical configurations available.
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| Positive Displacement Blowers - Roots® RCS® WHISPAIR Dimensional Data |
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Frame Size
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A
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A'
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B
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C
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Shaft D
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Shaft D'
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O
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O'
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P
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P'
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R
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U
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Keyway
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AF Inlet Diametr
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AF Discharge Diametr
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AA
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AX
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Aprox. NetWt (lbs)
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715J
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19.00
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26.00
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21.50
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33.38
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17.00
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10.00
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25.13
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19.00
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18.00
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23.25
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13.50
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2.38
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.625 x.313
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10.0 FLG
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8.0 FLG
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9.00
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3.50
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1100.00
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721J
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19.00
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26.00
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27.00
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39.38
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17.00
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10.00
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25.13
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19.00
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18.00
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23.25
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13.50
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2.38
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.625 x.313
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12.0 FLG
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10.0 FLG
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9.00
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3.50
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1200.00
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817J
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13.75
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22.00
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24.25
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38.63
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21.00
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13.00
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30.00
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25.75
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25.50
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25.00
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1700.00
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2.75
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.625 x.313
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10.0 FLG
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10.0 FLG
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12.75
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4.00
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1620.00
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821J
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13.75
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22.00
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27.88
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42.25
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21.00
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13.00
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30.00
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25.75
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25.50
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25.00
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17.00
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2.75
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.625 x.313
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12.0 FLG
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10.0 FLG
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12.75
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4.00
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1800.00
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826J
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13.75
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22.00
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33.13
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47.50
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21.00
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13.00
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30.00
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25.75
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25.50
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25.00
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17.00
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2.75
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.625 x.313
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12.0 FLG
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12.0 FLG
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12.75
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4.00
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2075.00
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832J
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13.75
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22.00
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38.50
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52.88
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21.00
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13.00
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30.00
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25.75
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25.50
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25.00
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17.00
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2.75
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.625 x.313
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14.0 FLG
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12.0 FLG
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12.75
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4.00
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2325.00
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| Positive Displacement Blowers - Roots® RCS® WHISPAIR Pressure Performance Table |
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Frame Size
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Speed RPM
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4 PSI
CFM
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4 PSI
BHP
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6 PSI
CFM
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6 PSI
BHP
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8 PSI
CFM
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8 PSI
BHP
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10 PSI
CFM
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10 PSI
BHP
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12 PSI
CFM
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12 PSI
BHP
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15 PSI
CFM
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15 PSI
BHP
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18 PSI
CFM
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18 PSI
BHP
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715J
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1180.00
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935.00
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23.00
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870.00
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33.40
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815.00
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44.00
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766.00
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54.60
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722.00
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65.00
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663.00
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81.00
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715J
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1770.00
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1548.00
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37.30
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1483.00
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53.00
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1428.00
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68.80
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1379.00
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84.50
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1335.00
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100.30
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1276.00
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123.90
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715J
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2600.00
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2410.00
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63.40
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2345.00
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86.00
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2290.00
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108.50
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2241.00
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131.00
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2198.00
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153.70
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2138.00
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187.50
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721J
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1180.00
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1266.00
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30.50
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1178.00
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44.80
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1103.00
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59.00
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1037.00
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73.50
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978.00
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87.80
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892.00
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109.20
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721J
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1770.00
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2096.00
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49.10
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2008.00
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70.40
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1933.00
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91.70
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1867.00
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113.10
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1808.00
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134.40
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1727.00
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166.40
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721J
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2600.00
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3264.00
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81.40
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3176.00
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112.00
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3101.00
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142.50
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3035.00
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173.10
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2976.00
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203.70
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2895.00
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249.50
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817J
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880.00
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982.00
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24.90
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895.00
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36.80
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821.00
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48.70
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756.00
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60.60
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817J
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1770.00
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2368.00
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55.00
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2280.00
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78.50
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2206.00
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102.00
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2142.00
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125.40
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2083.00
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148.90
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2004.00
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184.10
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2055.00
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219.40
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817J
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2250.00
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3116.00
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75.60
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3028.00
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105.00
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2955.00
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134.00
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2890.00
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164.00
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2830.00
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193.00
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2751.00
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237.00
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2680.00
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281.00
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821J
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880.00
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1179.00
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29.60
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1074.00
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43.90
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985.00
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58.10
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907.00
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72.40
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821J
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1770.00
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2842.00
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65.70
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2738.00
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93.90
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2648.00
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122.10
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2571.00
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150.30
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2500.00
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178.40
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2405.00
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220.70
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821J
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2250.00
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3740.00
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92.30
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3635.00
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127.00
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3546.00
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163.00
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3468.00
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198.00
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3398.00
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233.00
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3302.00
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286.00
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826J
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880.00
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1473.00
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37.10
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1342.00
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55.00
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1231.00
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72.80
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1134.00
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90.70
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826J
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1770.00
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3554.00
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81.40
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3423.00
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116.70
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3311.00
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151.90
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3214.00
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187.10
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3126.00
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222.30
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826J
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2250.00
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4676.00
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156.00
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4434.00
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200.00
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4434.00
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200.00
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4336.00
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247.00
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832J
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880.00
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1768.00
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65.80
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1477.00
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87.20
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1477.00
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87.20
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1360.00
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108.60
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832J
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1770.00
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4264.00
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139.80
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3972.00
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182.00
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3972.00
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182.00
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3857.00
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224.30
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832J
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2250.00
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5610.00
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186.00
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5320.00
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239.00
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5320.00
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239.00
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5202.00
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292.00
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| Positive Displacement Blowers - Roots® RCS® WHISPAIR Positive Displacement Blowers |
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Frame Size
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Speed RPM
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MAX VACUUM
HG "
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MAX VACUUM
CFM
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MAX VACUUM
BHP
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715J
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1180.00
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14.00
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705.00
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37.20
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715J
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1770.00
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15.00
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1281.00
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61.40
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715J
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2600.00
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15.00
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2144.00
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95.40
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721J
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1180.00
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14.00
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955.00
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50.00
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721J
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1770.00
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15.00
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1735.00
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81.70
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721J
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2600.00
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15.00
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2903.00
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124.80
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817J
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880.00
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0.00
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0.00
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0.00
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817J
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1770.00
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16.00
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1962.00
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95.90
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817J
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2250.00
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16.00
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2707.00
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126.00
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821J
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880.00
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0.00
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0.00
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0.00
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821J
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1770.00
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16.00
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2354.00
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114.80
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821J
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2250.00
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16.00
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3249.00
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153.00
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826J
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880.00
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0.00
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0.00
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0.00
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826J
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1770.00
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16.00
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2944.00
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142.80
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826J
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2250.00
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16.00
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4062.00
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188.00
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832J
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880.00
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0.00
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0.00
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0.00
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832J
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1770.00
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16.00
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3531.00
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168.40
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832J
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2250.00
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16.00
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4874.00
|
225.00
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