Reduces impurities and has an added layer to trap sediment. All that’s left behind is healthier, great-tasting water. Reduces lead, cryptosporidium, giardia, TTHMs and VOC (substances reduced may not be in all users´ water). Replace every 100 gallons or four months, whichever comes first. Each filter saves up to 750 bottles of water. White. Water Filters Type: Faucet Filter; For Use With: Brita Faucet Filter System; Filtration: N/A; HUB Compliance: N/A.