Instapure F-5

http://www.waterfilters.net/Waterpik-F-5-Faucet-Mount-Water-Filter.html
The InstaPure F-5 faucet system reduces bad taste and odor including chlorine taste and odor, cysts, and lead. It easily installs on most kitchen faucets. No tools necessary for installation. The Waterpik InstaPure F-5 system allows you to choose between filtered water and unfiltered water to extend the water filter life. The Waterpik InstaPure F-5 water filter system is tested and certified by NSF International against ANSI/NSF Standard 53 for the reduction of 99% of Cysts and 99% of Lead. The F-5 is also tested and certified by NSF International against ANSI/NSF Standard 42 for the reduction of Chlorine (Class II), Taste and Odor. The Waterpik F-5 faucet filter system has a white base with a white cap and comes complete with a filter cartridge.