18"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 13.75"h] Color_R-4.2 Yellow Crafted with a solid steel 4" Round Duct Pipe Product Details Size The SHEASC10W1-HP

Crafted with a solid steel body

75" width X 15

actual front end outer dimensions are 37

Installation of the vents will eliminate the need to raise the door ensuring security and constant air flow and reduced heat transfer into attics and adjacent house walls

+ Product Details Size – 25"w X 32"h is the size for the duct opening measurement only

18"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 19.75"w x 13.75"h] Color_R 4.2 Yellow Crafted with a solid steel 4" Round Duct Pipe Product Details Size The SHEASC10W1 HP Crafted with a solid steel body 75" width X 15