16 in. x 6 in. Plastic Block Vent with Damper
$15.98
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Description
Gibraltar Building Products plastic foundation block vents are used and designed for poured concrete walls. Long lasting gray plastic injected mold vents provide necessary air flow for a home's foundation or crawlspace. These provide 72-1/2 sq. in. of net free area. Manually operated damper doors allow for maximum air flow in the warmer months and can be closed to prevent unwanted cold air and moisture in the winter.
