Phoenix Gravity Water Filter uses a double filtration system with granular activated carbon from coconut shells to eliminate PFAS, chlorine, heavy metals, and other toxins. No plumbing or electricity is needed. Built from durable AISI 304 stainless steel and backed by NSF 42 & 372 certification, a 10-year warranty, and a 100-day money-back guarantee. With over 50 years of expertise, Phoenix has served more than 800,000 households.