| 6"x4" Opposed Blade Damper | $19.00 | | |
| 6"x6" Opposed Blade Damper | $19.00 | | |
| 8" GREENHECK TRUE ROUND FIRE DAMPER | $160.00 | | |
| 8" RBDR Round Balancing Damper w/ 9V Actuator | $139.00 | | |
| 8" ROUND CONTROL DAMPER W/ BLADE SEAL, Product # VCDR53-8 | $164.00 | | |
| 8" SPUN ALUMINUM ROOF VENT | $212.00 | | |
| 8"x4"Opposed Blade Damper | $19.00 | | |
| 8"x6" Opposed Blade Damper | $22.00 | | |
| 9"x9" Opposed Blade Damper | $25.00 | | |
| AG15 8"x8" Opposed Blade Damper | $23.00 | | |
| AG-75 round neck dampers 10" | $40.00 | | |
| AG-75 round neck dampers 12" | $43.00 | | |
