Hydro Logic smallBoy De-Chlorinator and Sediment Filter with Upgraded KDF85/Catalytic Carbon Filter, 60 GPH (HL36005)smallBoy from Hydro Logic This unit is designed to be a stand alone filter for immediate removal of chlorine and sediment from your water. It is rated at up to 99% chlorine removal @ 1 GPM flow and can clean up to 90% of the sediment particles above 5 microns. This filter is not designed to significantly lower the Parts Per Million (PPM) of your water. The majority of PPM is minerals which can only be removed with Reverse Osmosis. If you are looking