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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
max/min temperature and humidity records
Crafted with IP-67 quad-layer PVC that is flexible
Energy-Saving & Low-Noise Fan: This Fan is controlled by PWM more energy-efficient
Waterproof construction
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AC Infinity Galvanized Steel Backdraft Damper Ducting Insert, 4" Connector Size:8 in max/min temperature and humidity recordsAn 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. Available in 4", 6", & 8" A ventilation ducting tool designed for
