SHURFLO EV925205 Everpure Purifier System EVERPURE by SHURflo WATER TREATMENT SYSTEM - Get cleaner, clearer water anywhere on the road with Everpure by SHURflo's Water Treatment System The recommended superchlorination/dechlorination method disinfects your RV's entire water distribution system and can protect you from waterborne bacteria, viruses, mold and algae The exclusive Micro-Pure filter considerably reduces the taste and odor of chlorine, dirt, rust, cysts and asbestos Certified by NSF International