8" X 4" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 5.75"H] Black this grille is a testament

this grille is a testament to high standard craftsmanship

With a 6" diameter for the duct opening measurement

Designed with durable

+ Product Details Size – 25"w X 22"h is the size for the duct opening measurement only

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

8" X 4" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 5.75"H] Black this grille is a testament+ Product Details Size 8"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are 9. 75" width X 5. 75" height. Design Individually adjusting curved blades. Multi shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a