6"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 13.75"h] Insulated Line Set Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 24 3/4" x 1"

actual front end outer dimensions are approximately 27 5/8" width X 28 5/8" height

making it compatible with most thermostat models

High Quality – High-quality rust-free

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

6"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 13.75"h] Insulated Line Set Actual Filter Size – 15+ Product Details Size 6"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 7. 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 wear