Brita On Tap Faucet Water Filter System Filters cut the odor and impurities found in some tap waters to deliver great-tasting water. These filters are BPA-free and are designed to last for up to four months or 100 gallons. Handy filter indicator lets you know that the filter is working and reminds you when a filter needs replacement. One filter can replace up to 750 standard, 16.9 oz. plastic water bottles, reducing waste and cost. Reduce 99 percent lead, chlorine (taste and odor) and asbestos contaminants and get great-tasting drinking water every time you turn on the faucet. Brita On Tap Faucet Water Filter Systems fit standard faucets only. These units do not fit pull-out or spray style faucets. They are ideal for use in offices, schools, daycare centers, restaurants, hotels and other commercial facilities.