Electrolux PureEssence EWP800A0W is a 800 GPD 10-stage tankless RO system, Tested to NSF/ANSI Standards 42&53&58 and NSF/ANSI 372 certified by CSA. 3:1 pure-to-drain ratio saves 50% more water. Built-in Wi-Fi app with leak alerts + LED faucet shows filter lifetime reminder. 36-month RO membrane lasts 50% longer, saving filter life than 24-month system. Auto self-clean prevents bacterial buildup. Everything included in the package, RO filter, PCF filter, stainless steel faucet. Zero add-on purchases needed. Backed by 125 years of Electrolux engineering.