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2 Inch Duct Backdraft Damper Manual Adjustment Airflow Volume Damper for Vents Fans Extractors Range Hoods Heating Systems
The stainless steel manual air valve can accurately control the flow rate and flow direction of the air flow in the ventilation duct to ensure stable and efficient operation of the ventilation system. Whether it is a factory workshop a commercial...
$25.09 Free Delivery
