Master Flow®

Register Box - Straight

Transition from round pipe or insulated flexible duct to an air register
Register Box - Straight
strong
30-gauge galvanized steel provides durability and sturdiness
convenient
Creates a straight, in-line transition to a register grille
versatile
Connect to round pipe or insulated flex duct

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
    7 lb. (3.2 kg)
  • Carton Qtys
    10
  • Diameters
    5" (127 mm)
  • Available Sizes
    8" x 4" (203 mm x 102 mm)
  • Weights
    9 lb. (4.08 kg)
  • Carton Qtys
    6
  • Diameters
    6" (152 mm)
  • Available Sizes
    12" x 6" (305 mm x 152 mm)
  • Weights
    12.8 lb. (5.81 kg)
  • Carton Qtys
    8
  • Diameters
    8" (203 mm)
  • Available Sizes
    14" x 6" (356 mm x 152 mm)
  • Weights
    17.5 lb. (7.95 kg)
  • Carton Qtys
    10
  • Diameters
    8" (203 mm)
  • Available Sizes
    14" x 8" (356 mm x 203 mm)
  • Weights
    7.5 lb. (3.4 kg)
  • Carton Qtys
    6
  • Diameters
    6" (152 mm)
  • Available Sizes
    8" x 8" (203 mm x 203 mm)
  • Weights
    7 lb. (3.2 kg)
  • Carton Qtys
    6
  • Diameters
    6" (152 mm)
  • Available Sizes
    12" x 2.25" (305 mm x 57 mm)
  • Weights
    12.5 lb. (5.7 kg)
  • Carton Qtys
    12
  • Diameters
    4" (102 mm)
  • Available Sizes
    10" x 4" (254 mm x 102 mm)
  • Weights
    14 lb. (6.4 kg)
  • Carton Qtys
    12
  • Diameters
    5" (127 mm)
  • Available Sizes
    10" x 4" (254 mm x 102 mm)
  • Weights
    14.5 lb. (6.6 kg)
  • Carton Qtys
    12
  • Diameters
    6" (152 mm)
  • Available Sizes
    10" x 4" (254 mm x 102 mm)
  • Weights
    13.05 lb. (5.9 kg)
  • Carton Qtys
    14
  • Diameters
    6" (152 mm)
  • Available Sizes
    10" x 6" (254 mm x 152 mm)
  • Weights
    9.4 lb. (4.3 kg)
  • Carton Qtys
    6
  • Diameters
    8" (203 mm)
  • Available Sizes
    10" x 10" (254 mm x 254 mm)
  • Weights
    13 lb. (5.9 kg)
  • Carton Qtys
    9
  • Diameters
    6" (152 mm)
  • Available Sizes
    12" x 4" (305 mm x 102 mm)
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