Master Flow
10 in. x 4 in. Register Box Saddle
$10.86

RBS10X4

Heating, Venting & Cooling

This Master Flow 10 in. x 4 in. Register Box Saddle allows you to cut an opening of the appropriate size into the branch line and secures the saddle over the hole. Insulate ductwork for system efficiency and comfort.

  • Creates a horizontal transition from round pipe to an air register or grille
  • Install with sheet metal screws
  • Designed to fit over a section of round pipe while securing the saddle over the hole
  • Easily cuts down if necessary
  • Seal seams with code-approved mastic, sealant or duct tape (not included)
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