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