28"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 35.75"h] Copper Coil Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 10" duct openings

Design – Full Control Vertical/Horizontal Air flow Direction

Actual Filter Size – 9 3/4"w x 33 3/4" x 1"

+ Product Spec Sheet Aluminum Return Filter Grille Spec Sheet

28"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 35.75"h] Copper Coil Ideal for Walls & Ceilings:+ Product Details Size 28"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 35. 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