6" x 6" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 2-Way + Product Details Size -

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

The tool-free latch allows hassle-free maintenance

actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

+ Product Details Size - 25"w X 6"h is the size for the duct opening measurement only

6" x 6" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 2-Way + 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