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and applications where a standard inline duct fan may not provide enough power
Whether you're designing a new home or upgrading your HVAC layout
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The supplied MERV 13 filter removes up to 84% of particles in the 1
As a Ductless Energy Recovery Ventilator
Vents KOM 125 U 5 inch Backdraft Damper buy2get20 and applications where a standardThe 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
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