36"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 9.75"h] 12" Round Duct Pipe + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
36"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 37.75"w x 9.75"h] 12" Round Duct Pipe + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 30"w X 25"h is the size for the duct opening measurement only high impact clear plastic for long lasting performance