AC Infinity Backdraft Damper Ducting Insert, 4-Inch, Black Galvanized Steel lighting Injection capabilities of 1:500 to

Injection capabilities of 1:500 to 1:50 (0

2 x Clamp Size 2

Nutrient Analysis: Among guaranteed Nutrients

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1000W CMH Grow Lamps for the ILUMINAR CMH Fixture

AC Infinity Backdraft Damper Ducting Insert, 4-Inch, Black Galvanized Steel lighting Injection capabilities of 1:500 toDescription Antidraft duct insert: This item is designed for use with range hoods, bathroom fans, and other home HVAC applications. It features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Mounting options: The product mounts horizontally or vertically to prevent backflow and debris from entering the ducting. It is made of galvanized steel with spring loaded aluminum damper blades that open with minimal