30"W X 40"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 31.875"W X 41.875"H] w22h22 Rust-Free Aluminum - Made from

Rust-Free Aluminum - Made from strong

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 6" duct openings

10"w X 8"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size - 26"w X 30"h is the size for the duct opening measurement only

This aluminum adjustable louvered garage vent allows air ventilation and circulation in your garage 24 hours a day

30"W X 40"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 31.875"W X 41.875"H] w22h22 Rust-Free Aluminum - Made from+ Product Details Size 30"w X 40"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 875" width X 41. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was