The Katadyn Explorer Filter is a reliable water purifier designed for the most challenging adventures. Whether you're on remote trails or at backcountry camps, this purifier ensures a consistent supply of clean, great-tasting water. Its robust 2-stage filtration system, featuring a durable ceramic element and activated carbon, effectively purifies water from even the most difficult sources. Built for extreme conditions, the Explorer offers long-term reliability, giving you confidence in every drop. 2-stage filtration system with ceramic microfiltration and activated carbon Provides safe, great-tasting water by reducing odors and improving taste Durable design with a metal pump piston for harsh environments Ceramic and virus filters can be stored dry, eliminating mold risk Modular design with options for moderate conditions or virus protection Swiss quality with in-house production and strict quality controls Technical Features Filter stage 1: Ceramic filter cartridge 0.2 micron Filter