12" x 12" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w6h6 10"w X 8"h Is The

10"w X 8"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 10"w X 26"h is the size for the duct opening measurement only

One model suits both T-Bar and Drywall installations

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

+ Product Details Size – 30"w X 10"h is the size for the duct opening measurement only

12" x 12" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w6h6 10"w X 8"h Is The+ Product Details Size 12" X 12" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will