8" x 8" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 11" x 11"] 4" Diameter + Product Details Size – Compatible with Duct 4" Product Details Size 32 LO246

+ Product Details Size – 6"w X 14"h is the size for the duct opening measurement only

Design – Easy drop-in installation

actual front end outer dimensions are 9" width X 9" height

Crafted with SK5 Japanese Alloy Steel V Blade for a one-point cut

this 4-way air vent diffuser allows you to precisely control airflow

8" x 8" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever Operated Damper for Air Flow Control [Outer Dimensions: 11" x 11"] 4" Diameter + Product Details Size – Compatible with Duct 4" Product Details Size 32 LO246 + Product Details Size – 6"w X 14"h is the size for the duct opening measurement only Design – Easy drop in installation