About Master Flow™ Ceiling Register Box

The Master Flow™ Ceiling Register Box is made of 30-gauge, zinc-coated, galvanized steel. It is designed for a transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet metal screws (not included).

  Weight  Carton Quantity  Diameters

CRB6X6X6

6 lb. (2.7 kg) 6 6" (152 mm)
CRB8X8X6 10.9 lb. (4.9 kg) 9 6" (152 mm)
CRB10X10X8 9.5 lb. (4.3 kg) 6 8" (203 mm)
CRB12X12X8 15 lb. (6.8 kg) 6 8" (203 mm)

Features & Benefits

Product availability is subject to change without notice. Not all products are available from all facilities.

Product Documentation