LL Building Products Products
All products from this brand (4 total)
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 while you use the box to connect 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.
The Master Flow 10 in. x 4 in. x 6 in. 90-Degree Register Box creates a right-angle transition from round pipe or insulated flexible duct to an air register. This box is made of galvanized steel. It can be installed with sheet metal screws. It is suitable for most HVAC applications.
The Master Flow 12 in. x 12 in. Duct Board Insulated Register Box - R6 is ideal for connecting insulated flexible duct or round pipe to an air register or grill (duct, pipe, air register and grill not included). This box is ready to install and is pre-wrapped with R6 fiberglass insulation to help provide high thermal efficiency and control condensation.
The Master Flow 12 in. x 12 in. Universal Register Box with Flange is designed to be used with 8 in. ducts to create a straight transition from a round pipe or insulated flexible duct to an air register or grill. Made of zinc-coated, galvanized steel this register box is designed for durability. The built-in flange helps you install the box before dry walling.