Master Flow®

Insulated Register Box

An insulated way to transition from round pipe or flexible duct to air register or grille
Insulated Register Box
easy
No need to wrap
efficient
Serves as a noise deadener and helps control condensation
strong
Fiberglass insulation inside metal box

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

Available Sizes

Note:  Product sizes, dimensions, and widths are nominal values and are subject to normal manufacturing/packaging tolerance and variation.
  • Weights
    9.8 lb. (4.45 kg)
  • Carton Qtys
    6
  • Diameters
    4" (101.6 mm)
  • Weights
    9.8 lb. (4.45 kg)
  • Carton Qtys
    6
  • Diameters
    5" (127 mm)
  • Weights
    18 lb. (8.16 kg)
  • Carton Qtys
    8
  • Diameters
    6" (152.4 mm)
  • Weights
    18 lb. (8.16 kg)
  • Carton Qtys
    8
  • Diameters
    6" (152.4 mm)
  • Weights
    14.3 lb. (6.5 kg)
  • Carton Qtys
    6
  • Diameters
    7" (177.8 mm)
  • Weights
    14.3 lb. (6.5 kg)
  • Carton Qtys
    6
  • Diameters
    8" (203.2 mm)
  • Weights
    13.3 lb. (6.1 kg)
  • Carton Qtys
    5
  • Diameters
    8" (203.2 mm)
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