34"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 15.75"h] Copper Coil-Insulated Line Set Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

85" width X 21

+ Product Details Size - 6"w X 6"h is the size for the duct opening measurement only

All of these grills have dampers

Actual Filter Size – 19 3/4"w x 23 3/4" x 1"

34"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 15.75"h] Copper Coil-Insulated Line Set Actual Filter Size – 33+ Product Details Size 34"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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