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Best Seller | HVAC Duct Manual Volume Damper, Airflow Ducting Branch Vent Damper - Silver Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. ... more | FREE shipping go to store |
| 2Pcs 4" Backdraft Damper HVAC Ducting Insert Draft Blocker Duct Adaptor Red The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
| 4" Backdraft Damper HVAC Ducting Insert Draft Blocker Duct Adaptor Red The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
| 6" Backdraft Damper HVAC Ducting Insert Draft Blocker Duct Adaptor Red The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
| 1 Set 6.3" Stainless Steel Backdraft Damper with Ducting Hose Clamp - Silver The backdraft damper is used to prevent the backflow of lampblack or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
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