14"w X 14"h Extruded Aluminum Adjustable Surface Mount Supply Ceiling HVAC Air Grille – Interchangeable: 1-Way, 2-Way, 3-Way or 4-Way - Vent Duct Cover [Outer Dimensions: 15.125" X 15.125"] 6" Diameter or commercial environment

or commercial environment

positioning supply and return grills accordingly

Installing the plaster frame is effortless – secure it into your sheetrock

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 12" OR 12" x 20" duct opening (measured at the opening)

High Quality – High grade steel construction with easy unrestricted air flow for your HVAC system

14"w X 14"h Extruded Aluminum Adjustable Surface Mount Supply Ceiling HVAC Air Grille – Interchangeable: 1-Way, 2-Way, 3-Way or 4-Way - Vent Duct Cover [Outer Dimensions: 15.125" X 15.125"] 6" Diameter or commercial environment+ Product Details Size 14"w X 14"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 15. 125" X 15. 125". Design Re configurable Interchangeable Sections Easily convertible into 1 Way, 2 Way, 3 Way, or 4 Way Just lift sections and rotate to re configure direction. High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds