US$ 30.00
Pay in 4 interest-free payments of $4.50 Learn more
15 minute on/off
No flush needed
Dimensions: 13
The dosage ratio is between 0
Backdraft Damper Ducting Insert Mushroom Supplies 15 minute on/offMade with black galvanized steel, An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Mounts horizontally or vertically to prevent backflow and debris from entering ducting. Galvanized steel body with spring loaded aluminum damper blades that open with minimal airflow. Product Length: 5. 03 inches
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