MSR Autoflow Basecamp Filter

This extra-large AutoFlow gravity filter system delivers 10 liters of clean water fast-all while you set up camp, prep dinner or relax. And its big capacity means fewer trips to the river to haul the water you need. Similar in packable size to a 4L system, the AutoFlow XL system&';s durable flat base doubles the water volume for only 340 g (12 oz) of total weight. Ultralight and supremely packable, it offers the luxury of pump-free group filtration for basecamps, scout troops, horsepackers and other backcountry groups. And just one 10-liter fill of the reservoir can supply 1-2 people with a whole day&';s worth of clean water. Technical Specs Best Use Backpacking Filter Type Gravity Filter Medium Hollow filter Removes/Destroys Protozoa and Bacteria Output 1.75 liters per minute Housing Material ABS plastic BPA Free Yes Field Cleanable Yes Dimensions 11 x 7 x 3 Weight 12 ounces Features This extra-large AutoFlow gravity filter system delivers 10 liters of clean water fast-all while you set up camp, prep dinner or relax Its big capacity means fewer trips to the river to haul the water you need Similar in packable size to a 4L system, the AutoFlow XL filter&';s durable flat base doubles the water volume and still weighs just 12 oz. Operation is simple: fill the 10-liter collection reservoir with dirty water, connect it to the filter with the quick-disconnect fitting and let the water flow Efficient hollow fiber technology filters up to 1.75 liters per minute Meets NSF protocol p231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in "worst-case water" Constructed with a rugged 3D film reservoir with RF-welded seams and a 1,000-denier flat base that resists wear and tear Field-maintainable design has a sediment trap in bottom of bag; filter is easily cleaned on the fly-no tools required Separate hang strap and bag clip allow for easy hanging and maximum convenience