The sleek, foldable Gravity BeFree 10L microfilter uses gravity to provide clean water. Just fill and hang. Provides an impressive 2L per minute output. 0.1 micron, hollow-fiber filter element protects against harmful bacteria and protozoan cysts. Field cleanable filter element. Simply shake or swish. Tested capacity of 1,000L, depending on water source. Quick-connect hose allows for easy on/off for filling and storage. includes hanging straps and zipper storage bag.