Photo 1 of 10 Pack 8" x 16" Automatic Foundation Vent for Ventilating Crawl Space Replacement Auto Air Vent, Black

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Photo 1 of 10 Pack 8" x 16" Automatic Foundation Vent for Ventilating Crawl Space Replacement Auto Air Vent, Black Photo 2 of 10 Pack 8" x 16" Automatic Foundation Vent for Ventilating Crawl Space Replacement Auto Air Vent, Black Photo 3 of 10 Pack 8" x 16" Automatic Foundation Vent for Ventilating Crawl Space Replacement Auto Air Vent, Black