Industry certificated to meet NSF / ANSI 42 standard, This high quality filter reduces: - sediment, dirt and rust - polyfoam - scale. Made in the USA using ONLY certified NSF & ANSI lab tested raw material for its quality & performance Highest Performance in its class and Capacity in the Industry Buy with confidence Raw Material is BPA, Lead, and Arsenic-free. Our mission is to Save Health!! Great alternative to expensive refrigerator branded filters. Does not remove minerals which may be beneficial to health. Outstanding quality, Easy filter replacement, DIY, no tools required to replace this water filter Replace every 3- 6 months for best performance. Eco friendly filter uses coconut shell carbon ( Renewable Resource), the earths most powerful natural filter while keeping plastic water bottles out of our landfills water