10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 11.75"w x 11.75"h] 12" Round Duct Pipe creating a quiet and efficient

creating a quiet and efficient environment

actual front end outer dimensions are approximately 30 5/8" width X 16 5/8" height -

+ Product Details Size – 24"w X 18"h is the size for the duct opening measurement only

High Quality – High-quality steel with counter-sunk screw holes (screws included) and no sharp edges

Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 11.75"w x 11.75"h] 12" Round Duct Pipe creating a quiet and efficient+ Product Details Size 10"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 11. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never