10" X 4" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H] 14in diameter Actual Filter Size – 24

Actual Filter Size – 24 3/4"w x 24 3/4" x 1"

Actual Filter Size – 29 3/4"w x 17 3/4" x 1"

Carefully packaged to prevent damage during shipment

Its elegant look and fine finish and the natural warmth of oak wood

10" X 4" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H] 14in diameter Actual Filter Size – 24+ 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