10"W X 24"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 11.875"W X 25.875"H] sidewall This simple adjustment reduces HVAC

This simple adjustment reduces HVAC strain

+ Product Details Size – 16"w X 34"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 12" duct openings

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 22" duct opening (measured at the opening)

Actual Filter Size – 19 3/4"w x 9 3/4" x 1"

10"W X 24"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 11.875"W X 25.875"H] sidewall This simple adjustment reduces HVAC+ Product Details Size 10"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 875" width X 25. 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