6" x 6" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Width_20in and smooth surface for years

and smooth surface for years to come

actual front end outer dimensions are approximately 22 5/8" width X 52 5/8" height

Airflow – Improved airflow dynamics long neck bBody- reduced noise design - integrated spring fasteners

Multi-shutter damper with easy lever for precise airflow control

+ Product Details Size - 28"w X 18"h is the size for the duct opening measurement only

6" x 6" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Width_20in and smooth surface for years+ Product Details Size 6" X 6" 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 never