iSpring Whole House Water Filter with Ball Valves Dual-Stage 15-GPM Carbon Block Whole House Water Filtration System

The first stage high capacity polypropylene sediment filter achieves filtration down to 5 microns. The second stage CTO Carbon Block filter uses high quality coconut shell carbon for maximum filtration efficiency and filter life. Both are tested by independent third-party to meet NSF/ANSI Standards. Both filters have a capacity of 100,000 gallon of water to supply one full year of clean water for a family of four.