Master Flow 4 in. to 3 in. 26-Gauge Round Reducer

The Master Flow 4 in. x 3 in. Round Reducer is made of 26-Gauge, galvanized steel. It is used to transition from a 4 in. pipe to a 3 in. pipe to vent boilers, furnaces and hot water heaters where allowed by code.It's 1-piece design means no seams to seal or leak.

• Used to increase or decrease pipe size
• 26-Gauge galvanized steel
• Can be crimped if needed