8"w X 8"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: 9.125" X 9.125"] ceiling with screws included to make

with screws included to make setup quick and hassle-free

+ Product Details Size - 25"w X 25"h is the size for the duct opening measurement only

the T-Bar vent covers

+ Product Details Size - 30"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 18" OR 18" x 20" duct opening (measured at the opening)

8"w X 8"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: 9.125" X 9.125"] ceiling with screws included to make+ Product Details Size 8"w X 8"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 9. 125" X 9. 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 a