14"W X 6"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 7.75"H] Round Stack Boot + Product Details Size &

+ Product Details Size & Compatibility – The 7" galvanized steel round side take-off is compatible with duct 7"

Applications – The straight boot is used for the transition from round pipe or insulated flex duct to register or grille

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 8

and sound level range of NC 25 to 35

+ How To Measure A Grille Overall Size:

14"W X 6"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 7.75"H] Round Stack Boot + Product Details Size &+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 7. 75" height. Design Rigid gauge ABS plastic. Rigid gauge built for durability and long life in mind, but still light and handy. Powder coat finish. Smooth, scratch resistant, beautiful. Looks like new after years of use. Screws Included High Quality High quality ABS plastic will never rust, no sharp