ZeroWater Water Cooler Water Filter Bottle with Electronic Tester ( ZJ-003/J-20)

*Stand/ dispenser unit not included. For use with most standard water dispensers. For best results use with dispensers made with stainless steel reservoirs unlike conventional gravity-fed water filters, zero water's patented 5-Stage ion-exchange filter delivers the only filtered water to measure absolute 000 on the TDS meter. Compare that to the levels you€ll find in other filtered waters, most bottled waters and plain unfiltered tap Waterfall of which contain measurable amounts of dissolved substances. Meter readings for tap water average between 75 and 300. Conventional filtered water Measures between 030-500, and bottle water between 000-350. The filter bottle comes with: two zf-201 filter cartridges that remove contaminants that cause water to have an unpleasant taste; and an independently made TDS meter to give you peace of mind that your Zero Water filter cartridges are working properly. It also lets you know when to replace the filters. When your water starts reading ""006"" It's time for a change.