The Purewell 2.25G Gravity-Fed Water Filter is a stainless steel filter system that is designed for household use. It has a 3-stage carbon/charcoal filtration method and a capacity of 2.25 gallons. This water filter is compatible with Aqua Optima brand water systems and features a sleek silver color. The Purewell brand ensures quality and reliability in providing clean and purified water. Easy to assemble and use, this filter system is a practical and efficient solution for improving the taste and quality of your tap water. No lid As is