12"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 15.75"h] RG66 Black-HP Actual Filter Size – 9

Actual Filter Size – 9 3/4"w x 27 3/4" x 1"

angle them down for effective warmth distribution

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 32" OR 32" X 16" duct opening (measured at the opening)

With precise measurements and easy installation

actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

12"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 15.75"h] RG66 Black-HP Actual Filter Size – 9+ Product Details Size 12"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 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