24"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 7.75"h] Compatible with Duct 6" actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 34 5/8" height

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

scratch-resistant surface that gleams like it's just been waxed

making it ideal for preventing tampering or unauthorized adjustments

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 36" OR 36" x 24" duct opening (measured at the opening)

24"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 7.75"h] Compatible with Duct 6" actual front end outer dimensions+ Product Details Size 24"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 7. 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