Anti Reverse Valve for Vacuum Pump Exhaust Pipe - Fits 1.5 and 2 inch pipe

Description Mounts on end of exhaust pipe to keep vacuum pump from going backwards at shutdown. for 2 inch and 2.5 inch exhaust pipe 2 3/4 O.D. (outside diameter) GEA 4999-1082-207 Ezee 67332 updated 3/26