10" x 10" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 8" Diameter If your duct opening is

If your duct opening is 14 inches in diameter

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

actual front end outer dimensions are approximately 16 5/8" width X 24 5/8" height

6" width X 13

10" x 10" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover 8" Diameter If your duct opening is+ 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