Campbell Mfg Llc 2"  Quietsewage Chk Valve B-0823-20C Well Supply Accessories
2', Quiet Sewage Check Valve, No Slamming When Flapper Closes, Clear Heavy Duty PVC For Monitoring Check Valve Operation, True Union Design Allows For Easy Repair Or Pump Replacement, 1/2 LB Stainless Steel Spring, Solvent Weld Connection To Piping.