18"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 21.75"h] with filter margin-right: 8px 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
margin-right: 8px
transparent design and durable construction
European: EN 10270-1-SM
+ Product Details Size - 6"w X 32"h is the size for the duct opening measurement only
+ Product Details Size - 28"w X 36"h X 2"d (for duct opening measurement only)
18"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 19.75"w x 21.75"h] with filter margin right: 8px 4 X 12 Is CRFG2028 Width_14in margin right: 8px transparent design and durable construction