Master Flow®

Starting Collar - Ductboard

Suitable for most HVAC applications, it provides a transition from a flat surface like a plenum (made of metal, duct board, or insulated) to round pipe or insulated flexible duct
Starting Collar - Ductboard
STRONG
Made of galvanized steel for strength and durability
VERSATILE
Extra-long tabs to fit most duct board thicknesses through 1 1/2 in. (or R6 value) and fits most HVAC types
EASY
Can be used with duct board or with an internally lined or unlined plenum

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
    2 lb. (.91 kg)
  • Gauges
    30
  • Carton Qtys
    6
  • Available Sizes
    4" (102 mm)
  • Weights
    3 lb. (1.36 kg)
  • Gauges
    30
  • Carton Qtys
    6
  • Available Sizes
    5" (127 mm)
  • Weights
    13.4 lb. (6.1 kg)
  • Gauges
    30
  • Carton Qtys
    20
  • Available Sizes
    6" (152.4 mm)
  • Weights
    6.6 lb. (3 kg)
  • Gauges
    30
  • Carton Qtys
    8
  • Available Sizes
    7" (178 mm)
  • Weights
    11.6 lb. (5.3 kg)
  • Gauges
    30
  • Carton Qtys
    14
  • Available Sizes
    8" (203 mm)
  • Weights
    7.8 lb. (3.54 kg)
  • Gauges
    30
  • Carton Qtys
    6
  • Available Sizes
    10" (254 mm)
  • Weights
    9.3 lb. (4.22 kg)
  • Gauges
    28
  • Carton Qtys
    6
  • Available Sizes
    12" (305 mm)
  • Weights
    10 lb. (4.54 kg)
  • Gauges
    28
  • Carton Qtys
    6
  • Available Sizes
    14" (356 mm)
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