12" x 12" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 1-Way 16" Diameter Is The Size

16" Diameter Is The Size For The Duct Opening Measurement Only

Versatile Compatibility: Our ceiling grills aren't limited to just T bar drop ceilings

Actual Filter Size – 21 3/4"w x 13 3/4" x 1"

the actual front end outer dimensions are 7" in diameter

12" x 12" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 1-Way 16" Diameter Is The Size+ 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