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 in an HVAC system. It features hemmed collar edges for strength and a snug fit. This round reducer is suitable for most HVAC applications.|Made of 26-Gauge, galvanized steel|Used to transition from a 4 in. pipe to a 3 in. pipe in an HVAC system|Always seal seams with building code-approved sealant or duct tape (not included)|Always insulate ductwork for greater system efficiency and comfort (insulation not included)|Hemmed collar edges for a snug fit and increased strength