7 in. to 4 in. Round Reducer
Always insulate ductwork for greater system efficiency and comfort (insulation not included). The Master Flow 7 in. Round Reducer is made of galvanized steel. pipe to a 4 in. pipe in an HVAC system.
Always insulate ductwork for greater system efficiency and comfort (insulation not included). The Master Flow 7 in. Round Reducer is made of galvanized steel. pipe to a 4 in. pipe in an HVAC system.