18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face Compatible with Duct 10" actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height

ensuring it arrives in perfect condition

powder-coated surface is scratch-resistant

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actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face Compatible with Duct 10" actual front end outer dimensions+ Product Details Size 18"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" width X 13. 75" height. High Quality High grade steel construction with easy unrestricted air flow for your HVAC system. Installation Location Sidewall & ceiling. Design Multi shutter damper with handle lever for easy opening and closing screws included. Powder Coat Finish Smooth, shiny, scratch resistant,