8" X 8" [Duct Opening] 4-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] 12" Round Duct Pipe How to Measure Your Vent Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

How to Measure Your Vent Hole Before Ordering a Grille

The total outer size of this grille is the listed size plus 3"

Actual Filter Size – 33 3/4"w x 19 3/4" x 1"

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+ Product Details Size – 34"w X 32"h is the size for the duct opening measurement only

8" X 8" [Duct Opening] 4 Way Air Vent Adjustable Aluminum Curved Blades Integral Multi Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] 12" Round Duct Pipe How to Measure Your Vent Compatible With Duct 7in Applications This sheet metal DDAG A 1212 How to Measure Your Vent Hole Before Ordering a Grille The total outer size of this grille is the listed size plus 3"