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

actual front end outer dimensions are approximately 16 5/8" width X 16 5/8" height

the actual front end outer dimensions are 7" in diameter

+ Product Details Size - 12"w X 18"h X 2"d (for duct opening measurement only)

This thoughtful design ensures optimal air circulation for your HVAC system

+ Product Details Size - 32"w X 18"h is the size for the duct opening measurement only

12" x 12" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 1-Way actual front end outer dimensions+ Product Details Size 12" X 12" 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