Upgrade your water quality with the APEC FI-CS-2500 Replacement Filter. This US-made super capacity filter removes up to 99% of contaminants including chlorine, lead, and heavy metals. Featuring a trouble-free quick twist installation and high flow design, this filter delivers clean, great-tasting water for up to 15,000 gallons or 3 years. Backed by lifetime tech support from certified water specialists.