Photo 1 of 16" w X 8" h Crawl Space Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 9.5”h] 16x8 Anodized Aluminum

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Photo 1 of 16" w X 8" h Crawl Space Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 9.5”h] 16x8 Anodized AluminumPhoto 2 of 16" w X 8" h Crawl Space Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 9.5”h] 16x8 Anodized Aluminum