2" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Matte Black Aluminum Bar Fit – Adjustable and universal 4 X 12 Is CRFG2028 Width_14in

Fit – Adjustable and universal Nylon Belt for a comfortable fit on any waist

compatible with duct 5" | 10 in a pack - 5 inch diameter pipe – 20-foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

the actual front end outer dimensions are 8" in diameter

Actual dimensions: 21

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 12" duct opening (measured at the opening)

2" X 12" Modern Victorian Floor Register Grille With Dampers Decorative Grate HVAC Vent Duct Cover Matte Black Aluminum Bar Fit – Adjustable and universal 4 X 12 Is CRFG2028 Width_14in Fit – Adjustable and universal Nylon Belt for a comfortable fit on any waist compatible with duct 5" 10 in a pack 5 inch diameter pipe – 20 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal