24"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 25.75"w x 37.75"h] 18in diameter + Product Details Size -

+ Product Details Size - 25"w X 25"h is the size for the duct opening measurement only

10" x 6" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

+ Product Details Size – 24" x 24" with 12" collar T-Bar drop ceiling perforated return grill - metal back casing

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

24"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 25.75"w x 37.75"h] 18in diameter + Product Details Size -+ Product Details Size 24"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 37. 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