6"w X 6"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: 7.125" X 7.125"] Round Damper Ring + Product Details Size -

+ Product Details Size - 36"w X 34"h is the size for the duct opening measurement only

no screws will be visible

+ Product Details Size - 4" Diameter is the size for the duct opening measurement only

+ Product Details Size - 26"w X 16"h is the size for the duct opening measurement only

6"w X 6"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: 7.125" X 7.125"] Round Damper Ring + Product Details Size -6"w X 6"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 7. 125" X 7. 125" HVAC Premium has been providing superior in quality service for many many years. Our products are second to none, and weve helped numerous contractors, DIY projects, and home improvement remodeling specialists complete their masterpiece. If you are looking for a top of the line unit to enhance your project look no further than HVAC Premium. We have the