From the producer Culligan FM-15A kit faucet mount filter is compact and mounts directly onto your existing faucets without tools in seconds. The filter passes easily from unfiltered to filtered water simply by pulling the diverter valve stem to provide a simple solution for safe drinking water and cleaner. The Culligan FM-15A filter reduces Cryptosporidium, Giardia cysts, lead, chlorine and other tastes and smells bad. The Culligan FM-15A has a duration of 200 gallons of water filter and a 5-year warranty. This filter is NSF Certified to tap the international level. Model No. FM15 compact water filter reduces 99% lead over 99.95% of Cryptosporidium and Giardia cysts, chlorine, bad taste,