Hiker Pro Transparent Microfilter Water Filtration System | KatadynBring a little clarity to your water filtration process. The Hiker Pro Transparent Microfilter includes extra features for higher performance and improved versatility. This low maintenance, field serviceable microfilter is extremely resistant to clogging, thanks to a high surface area pleated filter cartridge surrounded by a fine membrane. It's effective to 0. 2 microns, protecting against protozoa and larger bacteria, so you can hydrate with