14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 15.75"w x 15.75"h] 10" Round Duct Pipe Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 9 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 8" or 8" x 10" duct opening (measured at the opening)

Experience enhanced indoor comfort with our 8" Radial Damper

Actual Filter Size – 7 3/4"w x 35 3/4" x 1"

14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 15.75"w x 15.75"h] 10" Round Duct Pipe Actual Filter Size – 11+ Product Details Size 14"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 15. 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