16"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 27.75"h] w22h22 + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 10" OR 10" X 16" duct opening (measured at the opening)

allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 36" OR 36" x 22" duct opening (measured at the opening)

All year round solution - Get the hot air out during the Summer Months

actual front end outer dimensions are approximately 20 5/8" width X 16 5/8" height

16"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 17.75"w x 27.75"h] w22h22 + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in + Product Details Perfect Fit & Easy Sizing Designed for a 16" x 10" OR 10" X 16" duct opening (measured at the opening) allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system