The Y7T-C Countertop Reverse Osmosis Water Filter by simpure is a 5 stage RO system that is NSF/ANSI 58 certified. It features a 528 gallon capacity and a flow rate of 100 GPD. This portable water purifier is designed for home use and does not require installation, making it convenient for any kitchen. The filter includes a glass pitcher with an activated carbon filter and a main water filter unit, all made from BPA-free food grade materials. With its enhanced taste-CTO style and corded electric power source, this countertop filter provides clean and great-tasting water for your daily needs.