Katadyn Hiker Pro Microfilter - in stock now. FEATURES of the Katadyn Hiker Pro Microfilter Removable filter protector extends cartridge life Quick connect fittings make installation and removal of input and output hoses easy Connects directly to hydration packs with 1/4in. drink tubes (ie Camelbak) Large filter surface provides a fast output Removes bacteria, protozoa, cysts, algae,spores and sediments Active carbon core reduces bad tastes and odors Flows at about 1 liter/minute depending on pump rate Compact design for easy storage