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 This simple adjustment reduces HVAC

This simple adjustment reduces HVAC strain

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

Rust-Free Aluminum - Made from strong

provide precise damper control and superior air dispersion

Powder-Coat Finish – smooth

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 This simple adjustment reduces HVAC+ 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