The most convenient camping or emergency water filter. Ideal for groups and families.  Gravity fed filtration from a large hangable water storage bag. Output is 16 oz per minute.  Uses a replacable microfilter cartridge that removes bacteria, Giardian and Cryptosporidium to EPA standards. 2.5 gallon bag with 3 foot output hose with on/off switch.  Filter capacity up to 200 gallons of water before repalcement. ( replacement filter cartrige - Pleated Style number 8014644 our stock # 1550).