10"W X 6"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 11.75"W X 7.75"H] w16h16 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 24"w X 6"h is the size for the duct opening measurement only

our grill boasts an impressive 96% airflow capacity

Actual Filter Size – 23 3/4"w x 23 3/4" x 1"

Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

+ Product Details Size – 25"w X 10"h is the size for the duct opening measurement only

10"W X 6"H [Duct Opening] Never Rust Plastic 3 Way Vertical Air Supply Register HVAC Vent Duct Grille Off White [Outer Dimensions: 11.75"W X 7.75"H] w16h16 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 24"w X 6"h is the size for the duct opening measurement only our grill boasts an impressive 96% airflow capacity