18"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 11.75"h] 1-Way ready to cut for size 4 X 12 Is CRFG2028 Width_14in

ready to cut for size of vent pipe

Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment

Location – Sidewall and ceiling

actual front end outer dimensions are approximately 36 5/8" width X 26 5/8" height

+ Product Details Size - 6"w X 28"h X 2"d (for duct opening measurement only)

18"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 19.75"w x 11.75"h] 1 Way ready to cut for size 4 X 12 Is CRFG2028 Width_14in ready to cut for size of vent pipe Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment