Sole Aqua 5 Stage Home Drinking Under Counter Reverse Osmosis Filtrating System 50 GPD Water Purifier with Faucet, Extra 7 Replacement Filters, TDS Meter, Pressure Regulator & Leak Detector (RO-102) 5-stage water filtration process and reverse osmosis technology removes 99% of contaminants Complete kit with water leak detector, digital water meter & water flow restrictor WQA & NSF certified Double O rings and NSF & FDA certified Food Grade tubing Easy installation & filter replacement for home-use Purified water supply up to 50 gallon per day