Ozonator Check Valves

OZONATOR | CHECK VALVE, 1/2" BARB x 3/8" BARB | C83P MAZZEI   OPTIMUS #2180-0MAZZEI #C-83P   1/2" MALE PIPE THREAD x 3/8" HOSE BARBCHECK VALVE   BARB END: 3/8" OD, 1/4" ID   THREAD END: 3/4" OD THREAD END: 1/2" ID   TOTAL LENGTH:...