| Backdraft damper, horizontal mount, Model BD-100, 18 In Sq, No Flange, Performance up to 1,500 ft/min | $130.00 | | |
| Backdraft damper, horizontal mount, Model BD-100, 8 In Sq, No Flange, Performance up to 1,500 ft/min | $78.00 | | |
| Backdraft damper, horizontal mount, Model BD-90, 8 In Sq, No Flange, Performance up to 1,500 ft/min | $78.00 | | |
| Backdraft damper, horizontal mount, Model WD-100, 30 In Sq, No Flange | $187.00 | | |
| Backdraft damper, vertical mount, Model BD-320, 10 In Sq, Flange on Discharge, Performance up to 1,500 ft/min | $127.00 | | |
| Backdraft damper, vertical mount, Model BD-320, 12 In Sq, Flange on Discharge, Performance up to 1,500 ft/min | $136.00 | | |
| Backdraft damper, vertical mount, Model BD-320, 14 In Sq, Flange on Discharge, Performance up to 1,500 ft/min | $148.00 | | |
| Backdraft damper, vertical mount, Model BD-320, 16 In Sq, Flange on Discharge, Performance up to 1,500 ft/min | $170.00 | | |
| Backdraft damper, vertical mount, Model BD-320, 18 In Sq, Flange on Discharge, Performance up to 1,500 ft/min | $179.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 10 In Sq, No Flange, Performance up to 1,500 ft/min | $114.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 12 In Sq, No Flange, Performance up to 1,500 ft/min | $122.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 14 In Sq, No Flange, Performance up to 1,500 ft/min | $132.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 16 In Sq, No Flange, Performance up to 1,500 ft/min | $144.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 18 In Sq, No Flange, Performance up to 1,500 ft/min | $160.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 8 In Sq, No Flange, Performance up to 1,500 ft/min | $103.00 | | |
| Backdraft damper, vertical mount, Model BD-330, 9 In Sq, No Flange, Performance up to 1,500 ft/min | $114.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 10 In Sq, Flange on Discharge, Performance up to 2,500 ft/min | $153.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 12 In Sq, Flange on Discharge, Performance up to 2,500 ft/min | $153.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 14 In Sq, Flange on Discharge, Performance up to 2,500 ft/min | $181.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 16 In Sq, Flange on Discharge, Performance up to 2,500 ft/min | $172.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 18 In Sq, Flange on Discharge, Performance up to 2,500 ft/min | $181.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 20 In Sq, Flange on Discharge | $188.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 22 In Sq, Flange on Discharge | $199.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 26 In Sq, Flange on Discharge | $239.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 32 In Sq, Flange on Discharge | $333.00 | | |
| Backdraft damper, vertical mount, Model WD-320, 38 In Sq, Flange on Discharge | $420.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 10 In Sq, No Flange, Performance up to 2,500 ft/min | $136.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 12 In Sq, No Flange, Performance up to 2,500 ft/min | $136.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 14 In Sq, No Flange, Performance up to 2,500 ft/min | $161.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 16 In Sq, No Flange, Performance up to 2,500 ft/min | $161.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 18 In Sq, No Flange, Performance up to 2,500 ft/min | $186.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 20 In Sq, No Flange, Performance up to 2,500 ft/min | $197.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 23 In Sq, No Flange, Performance up to 2,500 ft/min | $231.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 24 In Sq, No Flange, Performance up to 2,500 ft/min | $242.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 35 In Sq, No Flange, Performance up to 2,500 ft/min | $304.00 | | |
| Backdraft damper, vertical mount, Model WD-330, 8 In Sq, No Flange, Performance up to 2,500 ft/min | $126.00 | | |