10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 12" Diameter + Product Details Size -

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

+ Product Details Size – 36"w X 28"h is the size for the duct opening measurement only

Design – Easy unrestricted airflow for your HVAC system - 50° angled to provide maximum airflow

+ Product Details Size - 24"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 8"w X 24"h is the size for the duct opening measurement only

10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 12" Diameter + Product Details Size -+ Product Details Size 10" X 10" 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