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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
making it a trusted choice for organic gardeners
and VPD readings
Store tightly sealed and upright in the original container
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Outer Dimensions: 5/8''
AC Infinity Backdraft Damper Ducting Insert, Black Galvanized Steel, 8" Humic & Fulvic Acids making it a trusted choiceAC INFINITY BACKDRAFT DAMPER DUCTING INSERT An anti draft 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 back flow and debris from entering ducting. Galvanized steel body with spring loaded aluminum damper blades that open with minimal airflow. Fit for 8 in. Duct
