30 Day worry-free returns. 96.9% Of Customers Buy 2 Or More win the best price. Buy More Save More Efficient Filtration - This filter is certified by NSF/ANSI 42 to reduce 99.9% of Chlorine, particulates, sediment, rust and odor. Using high-quality coconut shell activated carbon block, this filter presents 0.5 Micron extreme-precision filtration ability, delivers you fresh and tasty water. Just drop filter in and every glass of water will be filtered. Premium Material - This every filter is certified by NSF/ANSI/CAN 372 for Lead-Free drop compliance, effectively protecting you from water hazards. Adopting premium and food grade materials to reduce impurities and improving taste of water with high efficiency. Every filter capable of filter every last drop of water for the life of the filter