Photo 1 of 30"w X 24"h Aluminum Exterior Vent for Walls & Crawlspace - Waterproof & Rain Block - with Screen Mesh - HVAC Weather Grille

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Photo 1 of 30"w X 24"h Aluminum Exterior Vent for Walls & Crawlspace - Waterproof & Rain Block - with Screen Mesh - HVAC Weather GrillePhoto 2 of 30"w X 24"h Aluminum Exterior Vent for Walls & Crawlspace - Waterproof & Rain Block - with Screen Mesh - HVAC Weather GrillePhoto 3 of 30"w X 24"h Aluminum Exterior Vent for Walls & Crawlspace - Waterproof & Rain Block - with Screen Mesh - HVAC Weather Grille