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![Photo 1 of 18"w X 20"h Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 19.5”w x 21.5”h] 18 x 20 Anodized Aluminum](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1020051549%2F89yE8k2dG8vbnNQH3peTA.jpg?alt=media&token=5439f68b-8bd9-44f9-8abb-3584d4649f7e)
![Photo 1 of 18"w X 20"h Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 19.5”w x 21.5”h] 18 x 20 Anodized Aluminum](https://m.media-amazon.com/images/I/91skMWhouGL.jpg)
![Photo 3 of 18"w X 20"h Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 19.5”w x 21.5”h] 18 x 20 Anodized Aluminum](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1020051549%2FmUuntp_rvwV55QmAHYAqW.jpg?alt=media&token=584c39f1-d7fc-49c9-aa3e-4fa4c94328cd)