The Master Flow 3 in. Spiral Pipe Coupling is used to join 2 pieces of 3 in. spiral pipe in a run. Both ends are slightly undersized for connection to spiral pipe. Center bead allows for proper insertion and ample space for attachment. Secure with sheet metal screws, not included.
- 24 gauge galvanized steel
- Both ends slightly undersized for connection to Spiral Pipe
- Use with Spiral Pipe
- Used in HVAC applications as well as dust collection systems
- Seal and insulate if needed