18"W X 30"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 31.875"H] Adjustable Return 10"w X 4"h Is The

10"w X 4"h Is The Size For The Duct Opening Measurement Only

making it compatible with most thermostat models

Designed to seamlessly integrate with T-Bar vent covers in drop ceiling setups

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

18"W X 30"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 31.875"H] Adjustable Return 10"w X 4"h Is The+ Product Details Size 18"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 875" width X 31. 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