Everbilt DB4HD 4 in. Draft Blocker

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About This Product

This 4 in. draft blocker helps prevent cold air from entering your home through vent openings. The flap opens automatically when a dryer or fan is operating, allowing air and lint to exhaust properly. When the dryer or fan is turned off, the flap closes to help block outside air from coming back in.

Highlights

• Helps keep cold air out of the home when the dryer or fan is not in use

• Fits standard 4 in. ducts

• Made from durable polypropylene

• Suitable for dryer and bathroom fan venting applications

Dimensions

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