8" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 7.75"H] Material_Steel Actual Filter Size – 29

Actual Filter Size – 29 3/4"w x 33 3/4" x 1"

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

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

+ Product Details Size - 26"w X 10"h is the size for the duct opening measurement only

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8" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 7.75"H] Material_Steel Actual Filter Size – 29+ Product Details Size 8"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are 9. 75" width X 7. 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