14"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 27.75"h] Compatible with Duct 10" Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 15 3/4" x 1"

heat pump and centralized air ducted units

Actual Filter Size – 21 3/4"w x 27 3/4" x 1"

allowing you to take control of indoor air circulation without complications

Actual Filter Size – 27 3/4"w x 7 3/4" x 1"

14"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 27.75"h] Compatible with Duct 10" Actual Filter Size – 21+ Product Details Size 14"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 27. 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