The Master Flow 10 in. x 10 in. Duct Board Insulated Register Box - R6 is pre-wrapped with R6 fiberglass insulation to help provide high thermal efficiency. Use this register box to transition from round pipe or insulated flexible duct to a grill or air register (pipe, duct, grill and air register not included). This versatile box is compatible with multiple collar sizes for your convenience.
Use to connect round pipe or insulated flexible duct to an air register or grill (pipe, duct, air register and grill not included)
Insulation lining helps absorb system noise and helps control condensation
Pre-wrapped and ready to install for easy installation
Seal seams with code-approved mastic, sealant or duct tape (mastic, sealant and duct tape not included)
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.