MATRIKX-1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
Product Review (submitted on April 22, 2013):
By itself this filter does a great job of removing sediment and chlorine. Unfortunately my water is so dirty that it clogs the filter in 3 months. The way around this is to use a prefilter with 1 micron filtration such as the Hydronix SDC-45-2001. With this prefilter the Matrikx one lasts 6 months.