For virtually zero maintenance with years of use choose the MiniWorks EX. The MiniWorks EX is the best–selling filter on the market delivering long–lasting fully field–maintainable water filtration. Its durable ceramic element ensures protection pumps water for years (up to 2000 liters) and can be cleaned repeatedly with no tools required for complete disassembly. The MiniWorks is also lightweight compact and thanks to its innovative AirSpring Accumulator™ capable of pumping one liter of water per minute. Includes stuff sack hose float scrub pad and instructions. Weighs about 1 lb.