The Brita On Tap Faucet Filtration System offers advanced water filtration system for healthier, great-tasting water, right from your tap. Attach easily to your faucet without tools. Filter has an added layer to trap sediment and is easy to change. Electronic LED filter change indicator flashes red when the filter should be replaced. Filtration system makes it easy to switch from filtered to unfiltered water. Filter life lasts up to 100 gallons depending on local water conditions.