The Geekpure 20in Whole House Water Filter Housing is a blue plastic unit designed for commercial use. It features a 3/4in port and is compatible with Aqua Optima Evolve filters. The filter uses CTO filtration method to remove chlorine taste and odor, providing clean and fresh water for your household. With a manufacturer warranty of 1 year and a weight of 10 lbs, this water filter is a reliable and efficient solution for your water purification needs.