The GravityWorks Pump-Free Water Filtration System delivers the same fast (4 liters in 2.5 minutes), pump-free performance of the revolutionary CleanStream microfilter, yet with even less weight and more ease. Using advanced, Hollow Fiber technology and a little physics, it allows you to collect, transport, filter and dispense water, easier and faster than any other system available. An all new filter housing and streamlined Clean reservoir shave two ounces off an already wickedly light filtration system. Filters to .2 microns, removing 99.9999% of bacteria and protozoa. Rated up to 1,500 liters, depending on water quality.
Weight: Filter is 10.75 oz.
Flow rate: 1.75 liters per minute.