18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face w24h24 accordion-header { display: flex

accordion-header { display: flex

+ Product Details Size - 36"w X 12"h X 2"d (for duct opening measurement only)

+ Product Details Size - 18"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size - 22"w X 30"h is the size for the duct opening measurement only

875" width X 15

18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face w24h24 accordion-header { display: flex+ 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,