Master Flow® Register Box ‑ Straight Specs

      Master Flow® Register Box ‑ Straight Docs

      Master Flow® Register Box ‑ Straight Videos

      Strong
      strong
      30-gauge galvanized steel provides durability and sturdiness
      Convenient
      convenient
      Creates a straight, in-line transition to a register grille
      Versatile
      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.
      Size
      RB8X4X5
      Weight7 lb. (3.2 kg)
      Carton Quantity10
      Diameters5" (127 mm)
      RB12X6X6
      Weight9 lb. (4.08 kg)
      Carton Quantity6
      Diameters6" (152 mm)
      RB14X6X8
      Weight12.8 lb. (5.81 kg)
      Carton Quantity8
      Diameters8" (203 mm)
      RB14X8X8
      Weight17.5 lb. (7.95 kg)
      Carton Quantity10
      Diameters8" (203 mm)
      RB8X8X6
      Weight7.5 lb. (3.4 kg)
      Carton Quantity6
      Diameters6" (152 mm)
      RB12X2.25X6
      Weight7 lb. (3.2 kg)
      Carton Quantity6
      Diameters6" (152 mm)
      RB10X4X4
      Weight12.5 lb. (5.7 kg)
      Carton Quantity12
      Diameters4" (102 mm)
      RB10X4X5
      Weight14 lb. (6.4 kg)
      Carton Quantity12
      Diameters5" (127 mm)
      RB10X4X6
      Weight14.5 lb. (6.6 kg)
      Carton Quantity12
      Diameters6" (152 mm)
      RB10X6X6
      Weight13.05 lb. (5.9 kg)
      Carton Quantity14
      Diameters6" (152 mm)
      RB10X10X8
      Weight9.4 lb. (4.3 kg)
      Carton Quantity6
      Diameters8" (203 mm)
      RB12X4X6
      Weight13 lb. (5.9 kg)
      Carton Quantity9
      Diameters6" (152 mm)

      Where to buy

      Find a GAF distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.