Master Flow 4" To 3" Round Reducer

Master Flow, 4 " to 3 " 26-Gauge Round ReducerMade Of 26-Gauge, Galvanized SteelUsed To Transition From A 4 In. Pipe To A 3 In. Pipe In An Hvac SystemAlways Seal Seams With Building Code-Approved Sealant Or Duct Tape (Not Included)Always Insulate...