20"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 9.875"H] Curved Blade Steel This versatile diffuser is available

This versatile diffuser is available in 1-way

this easy-to-install grille fits seamlessly into any standard return filter opening

actual front end outer dimensions are approximately 27 5/8" width X 14 5/8" height

+ Product Details Size - The listed 10" diameter refers specifically to the size of the duct opening

20"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 9.875"H] Curved Blade Steel This versatile diffuser is available+ Product Details Size 20"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 875" width X 9. 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