10"W X 8"H [Duct Opening] Never Rust Plastic 2-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 11.75"W X 9.75"H] Color_Anodized Aluminum Actual Filter Size – 17 RGADJ-3012 7" Round Duct Pipe Quality Packaging carefully packaged

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

+ Product Details Size – 12" x 16" or 16" x 12" is the size for the duct opening measurement only

Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment

875" width X 11

10"W X 8"H [Duct Opening] Never Rust Plastic 2 Way Vertical Air Supply Register HVAC Vent Duct Grille Off White [Outer Dimensions: 11.75"W X 9.75"H] Color_Anodized Aluminum Actual Filter Size – 17 RGADJ 3012 7" Round Duct Pipe Quality Packaging carefully packaged Actual Filter Size – 17 3 4"w x 17 3 4" x 1" + Product Details Size – 12" x 16" or 16" x 12" is the size for the duct opening measurement only