14"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 21.875"H] Aluminum + Product Details Size -

+ Product Details Size - 36"w X 20"h is the size for the duct opening measurement only

75"H – fits a 18" X 18" duct opening

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

Filter Size - 31

Heat Pump And Centralized Air Ducted Units

14"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 21.875"H] Aluminum + Product Details Size -+ Product Details Size 14"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 21. 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