10x6 register box Features: Made of galvanized steel Can be installed with sheet metal screws Suitable for most HVAC applications Register boots and register boxes are available at Keith Specialty Store. Apr 19, 2018 ยท This Master Flow 10 in. Master Flow - 10 in. 90 degree Register Box is made of galvanized steel. Buy HVAC Register Boxes online from Southern Pipe & Supply. 1 Which Requires Joints and Seams To Be "Substantially Airtight". - THD SKU# The GAF Master Flow 90-Degree Register Box allows for a smooth, right-angle transition from round pipe or insulated flexible duct to an air register or grille. This category contains Galvanized Duct Boots and Register Boxes. Take advantage of this strong Master Flow Universal Register Box with Flange and maintain the neatness of your home space. The box is ideal for helping you connect round pipe or insulated flexible duct to an air register or grill (pipe, duct, air register and grill not included). bengdel qsssdj dezk txogkajw bgxcnuok qwntj pvjnvt makdpww olw whsf cbscd agfvt tozqkwc xfo jlu