The Y7T-A Countertop Reverse Osmosis Water Filter by simpure is a certified 5 stage RO system designed for home use. It features a 0.0001um purification method, capable of removing impurities and providing clean, pH-balanced water. With a capacity of 528 gallons, this filter uses BPA-free food grade materials and includes a glass pitcher with an alkaline filter, filter cartridges, and instruction manual. The countertop installation requires no additional tools, making it a convenient and efficient option for clean water in your home.