Mineral clear Replacement Water Filter for Faucet-Mount, 3-Stage System3 stage faucet mount mineral clear replacement filter with tray, maxion filter technology, certified to remove 99% of lead & over 70 other contaminants including 96% of mercury & 92% of pesticides, filters over mineral core for crisp, refreshing taste, reduce trace levels of pharmaceuticals, fits all pur faucet mount systems, 1 filter provides up to 100 gallons 2 to 3 months of clean water. fits faucet mount skus 210135, 214900, 214901 & 214902