Photo 1 of 16"w X 22"h Aluminum Exterior Vent for Walls and Crawlspace - Rain and Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 23.5”h]

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Photo 1 of 16"w X 22"h Aluminum Exterior Vent for Walls and Crawlspace - Rain and Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 23.5”h]Photo 2 of 16"w X 22"h Aluminum Exterior Vent for Walls and Crawlspace - Rain and Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 23.5”h]