Clack (V3180) O-Ring -337 V3180 used with Clack WS1 | D1400 S600RL-HO; QSO-600; QL-600 filter set replaces all four

filter set replaces all four filtration stages in the Watts Pure Water PWRO4 reverse osmosis system

Perchlorate is classified as an endocrine disruptor because it interferes with iodide uptake in the thyroid gland

Operating Pressure 150 psi (10

Compatible BF6

Built-in shield protects control panel and electrical components from rain

Clack (V3180) O-Ring -337 V3180 used with Clack WS1 | D1400 S600RL-HO; QSO-600; QL-600 filter set replaces all fourClack Control Valve O Ring Clack V3180 O Ring 337 for WS1 & D1400 Valve Systems Precision cut O ring for leak free sealing on Clack WS1 control valves and 1190 head assemblies. OEM replacement part for top of tank installations. OEM Part Clack WS1 D1400 Compatible PART DETAILS V3180 O Ring Specifications Part Number V3180 (Clack 337) Outer Diameter 3 3 8 inches Inner Diameter 3 inches Thickness 3 16 inches Material Water safe elastomer Application Top