Safe-T-Cover - Backdraft Damper 10mil Each 86 lbs mat can

Each 86 lbs mat can be carried by 1-2 people and put into position without special tools

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The 800D-AL enclosure is easy to set up

flat backs which provide full contact with the underlying surface

Safe-T-Cover - Backdraft Damper 10mil Each 86 lbs mat canThis model is a rear flanged gravity supply (intake) wall shutter. The frame and blades are mill finish aluminum with a galvanized reinforcement strip on each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Recommended for vertical mount supply (intake) only. The blades will pivot at the bottom and fall with gravity to open. Spring