Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way A
Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)
Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)
Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)
Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)
Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)
Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)

Hon&Guan 4'' Backdraft Damper HVAC Inline Fan Vent Deflector(One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker)

Regular price $7.99 Sale price $2.99
Shipping calculated at checkout.

Description
  • 【Material】The 4 inch backdraft damper and the flap leaves is made of a Galvanized steel, the Axis are made of aluminum, while the spring are made of carbon steel.
  • 【Installation method】The position of the spring should be horizontal for horizontal installations so that it can open and close optimally
  • 【Wide applications】Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications.
  • 【Lightweight valve wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow.
  • 【Backdraft Shutter】Hon&Guan Draft Blocker designed to improve ventilation by preventing air from re-circulating when the fans are not in use, rubber ring ensure 100% closure and quiet closing.
Shipping problems

Due to the lack of international flights due to the epidemic, and high oil prices and fuel surcharges, transportation costs will increase sharply.

Customer Reviews

No reviews yet
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Top
Sale

Unavailable

Sold Out