Pur Ultimate Faucet-Mounted Horizontal Filtration System, Chrome Provides clean, safe, delicious water straight from the tap Reduces heavy metals, chlorination by-products, agricultural and industrial pollutants, chemicals, and 99.99% of microbial cysts Space-saving design; allows full sink access; installs in minutes without tools Filter life indicator signals when to replace the filter 1 filter provides up to 100 gallons, or 2-3 months of filtered water.