10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 12" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 18 5/8" height

75" width X 17

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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening)

+ Product Details Size - 30"w X 30"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 actual front end outer dimensions+ 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