The FloPlus 10BB Carbon Filter From Pentek is a specially manufactured carbon filter. It has been made with innovative techniques that help in increasing the Fibredyne product. It makes the cyst reduction possible in a cartridge that functions at a nominal 10 microns. The cartridge has a high micron rating that can filter up to 0.5 microns and deliver high quality water to your homes. It comes with an impressive flow rate of 2 gpm and is a high flow filter. The filter has GAC filled inside that removes the taste and odor that chlorine lends to water. It measures 4.5" x 10".