12" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover [Outer Dimensions: 14"] Compatible With Duct 8in Universal size

Universal size

this air vent diffuser is built to last

+ Product Details Size – 18"w X 20"h is the size for the duct opening measurement only

High Quality – High quality steel construction

12" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover [Outer Dimensions: 14"] Compatible With Duct 8in Universal size12" Diameter Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 12" Diameter Incorporated with Integral Butterfly Damper for full Airflow Control Assembeled Before Powder Coat Paint, to Ensure Perfect Smooth Finish Commercial Grade Aluminum Will Never Rust Designed for Warehouses, Factories, Workshops, Gymnasiums & Restaurants Center Core is Removable for Easy Access and Maintence 12" Circular Round Aluminum HVAC