The CoolBlue POE system is an 8-gpm device certified to the NSF/ANSI P231 microbiological standard. The system consists of four cartridges with non-woven media that has a 2-µ pore size. It has been tested for PFOA/PFOS adsorption in accordance with NSP Intl. Protocol P473-2016 at a flowrate of 8 gpm and completed 95% adsorption efficacy for combined PFOA/PFOS.