32"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 37.75"h] RV Mobile Home 16" x 3" Aluminum Spiral

16" x 3" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply

actual front end outer dimensions are approximately 12 5/8" width X 26 5/8" height

actual front end outer dimensions are approximately 29

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

actual front end outer dimensions are 27

32"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 37.75"h] RV Mobile Home 16" x 3" Aluminum Spiral+ Product Details Size 32"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 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