Description
SMC (6850090) 685 Series PVC NSF Check Valve ; 1 2"FNPT x 1 2"FNPT Buna Pack of 3 r30 bb 93 4x41 2 Turbidity Replacement Cycle 12 months Turbidity Replacement Cycle 12 months or per system indicator Compatible Systems Watts E Treat Ultrafiltration Systems not on arbitrary schedules