Surprising: CuZn's 5-Year Filter Cuts PFAS, Lead & Chlorine-Taste Tested We've always trusted our tap water, but after installing CuZn's under-sink filter, our confidence just hit new highs. This sleek, compact system effortlessly attaches to our faucet, delivering clean, crisp water without the hassle of bulky setups. The standout? It tackles stubborn contaminants like PFAS, PFOS, and lead with precision, thanks to its advanced filtration technology. We've noticed a remarkable difference in taste-our morning coffee and afternoon tea now feel refreshingly pure. Certified by NSF/ANSI 42 and 372, it's not just about filtering; it's about safety. The 5-year lifespan is a game-changer, eliminating frequent replacements. While we didn't expect such a robust performance from a simple filter, the results speak for themselves. It's a quiet, effective solution that's redefining our relationship with tap water.