16"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 13.75"h] Return 75" Width X 26

75" Width X 26

+ Product Details Size – 20"w X 50"h is the size for the duct opening measurement only

R value rating of insulation - R3

with actual outer dimensions of 32

our coils offer from 2300 to 6500 PSI

16"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 13.75"h] Return 75" Width X 26+ Product Details Size 16"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 75" Width X 13. 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