For great-tasting filtered water on tap, Brita Faucet Mount System filters out odors and impurities for healthier based on health contaminant reduction per WQA certifications. This elite advanced faucet mount uses Advanced Brita Carbon-block technology, is certified to reduce chlorine taste and odor and reduces more than 60 contaminants including 99 percent of lead (substances reduced may not be in all users' water). This Brita filter system replaces 1,800 single-use 16.9 oz. bottles a year. This certified Brita water filter system has three spray options and includes a filter indicator to tell when it's time to change, approximately 3 times a year based on average family usage and 100-gallon filter life. This model does not fit pullout or spray-style faucets.