6" x 6" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover fixed bar + Product Details Size –

+ Product Details Size – 18"w X 6"h is the size for the duct opening measurement only

lightweight aluminum

the actual front end outer dimensions are 7" in diameter

actual front end outer dimensions are approximately 12 5/8" width X 26 5/8" height

6" x 6" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover fixed bar + Product Details Size –+ 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