The Master Flow 8 in. x 4 in. Round Reducer is designed to decrease or increase spiral duct pipe in your HVAC system. It features 24-gauge, galvanized steel construction. Both ends slightly undersized for connection to spiral pipe.
- HVAC part used to connect 8 in. Spiral Pipe to 4 in. Spiral Pipe
- 24-gauge, galvanized steel construction
- Both ends slightly undersized for connection to Spiral Pipe
- Also used to increase Spiral Pipe size
- Seal and insulate if needed