Eliminates 98.5 percent of the Lead and by filtering out Sediment, Chlorine (taste and odor) and also reducing chemicals that may be linked to cancer risk (TTHM, benzene, TCE, toxaphene). Attaches easily in minutes without using tools, fits all standard faucets with quick and easy filter replacement (054.2340). Features a 2-Stage Filter which has an added layer to trap sediment; easy to switch from filtered to unfiltered water. Indicator that flashes red when the filter should be replaced. Change filter every 100 Gal or every 4 months (this may vary depending on water conditions). Compatible with all standard faucets.