10" X 4" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H] 18" Diameter Actual Filter Size – 35

Actual Filter Size – 35 3/4"w x 5 3/4" x 1"

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

Full Control – Full 190 degrees control of air direction vertically & horizontally

actual front end outer dimensions are approximately 18 5/8" width X 38 5/8" height -

offering maximum flexibility

10" X 4" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H] 18" Diameter Actual Filter Size – 35+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are 11. 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