Product Overview FREE SHIPPING Continental U.S. Dimensions 8" x 16" x 2.25" Seals & Insulate vents from Inside R-10 Foam Board Use Spray Foam to Air Seal from Inside (not included) Product Videos Videos Hide Videos Show Videos Crawl Space Vents | Should I Seal My Crawl Space Vent or Install a Fan | Crawlspace Ventilation DIY Should I Seal My Crawl Space Vents, install a fan or dehumidif... Reviews (No reviews yet) Write a Review
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