The Master Flow 10 in. duct-board Starting Collar is suitable for 1-1/2 in. to 2 in. duct-board plenums. It provides a transition from the plenum to round pipe or insulated flexible duct. It can be used with duct-board, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs.
- Used with duct-board thicknesses from 1-1/2 in. to 2 in. (or R-8 value)
- Connects round pipe or insulated flexible duct to a flat surface to start a duct run
- Fits most HVAC types for universal application
- Can be used with an internally lined or unlined plenum
- Extra-long tabs
- Seal seams with code-approved mastic, sealant or duct tape (sold separately)