18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face Return Grille this piece is the perfect

this piece is the perfect touch of class you need to add to your decor

Actual Filter Size – 31 3/4"w x 27 3/4" x 1"

Universal Fit – Measures 6-1/4" wide x 4-3/4" high x 3" deep

Available in both standard and custom sizes

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

18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face Return Grille this piece is the perfect+ 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,