Description of MSR 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, and can be cleaned repeatedly for full recovery, 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. Features: Long-lasting Durable ceramic element ensures protection and will pump water for years. Field-maintainable Can be cleaned repeatedly for full filter recovery; no tools required for complete disassembly. Fast Flow AirSpring Accumulator increases filtration speed; up to 1 liter/minute. Effective Protection Removes bacteria, protozoa (including crypto and giardia), and particulate. Better-tasting Water Carbon core removes unpleasant tastes and odors caused by chemicals, such as iodine, chlorine, and pesticides. Weight: 16 oz./456 g Dimensions:7.5 x 2.75 in./19 x 7 cm Cartridge Life: Up to 2,000 liters, depending on water conditions Includes: Stuff sack, hose float, scrub pad, and instructions