The ICEPURE 20×4.5in Whole House Pleated Sediment Filter is a commercial-grade water filter designed for Aqua Optima systems. With a 1-stage filtration method, this filter effectively removes sediment contaminants, ensuring clean and safe water for your household. Made by IcePure, a trusted brand in water purification, this filter has a capacity of 20×4.5 inches and comes in a pack of 2. The filter is white in color and comes with a 1-year manufacturer warranty, providing you with peace of mind knowing you have a reliable solution for your well water needs.