Pay in 4 interest-free payments of $7.00 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Minimum wall thickness of 9 1/2" required
123x123x5 MERV 5
ETL certified
whole-house fresh air ventilation
Vents KOM 125 U 5 inch Backdraft Damper Boost Minimum wall thickness of 9The Vents KOM 125 U Spring Loaded Backdraft Damper is made for 5" round duct systems. It prevents backdraft, insects, and birds when the ventilation system is off. Its operation is simple: blades open with airflow and close securely due to a strong spring. This KOM 125 U damper is easy to install in 5" round ducts, and features a 26 gauge galvanized steel housing and precision engineered aluminum blades with spring action. It also has foamed rubber
US$ 149.50
US$ 149.50
US$ 195.00
US$ 138.00
US$ 114.50
US$ 20.00
US$ 25.00
US$ 149.50
US$ 20.00
US$ 19.00
