12"W X 36"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 37.875"H] Blade it ensures long-lasting performance in

it ensures long-lasting performance in both residential and commercial settings

This simple adjustment reduces HVAC strain

provide precise damper control and superior air dispersion

+ Product Details Size - 30"w X 8"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 18"w X 30"h is the size for the duct opening measurement only

12"W X 36"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 37.875"H] Blade it ensures long-lasting performance in+ Product Details Size 12"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 37. 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