Added pic and text to AQ-67005 Aquamira Technologies Frontier Filter
The Frontier Emergency Water Filter System is ideal for hiking, travel, and emergency preparedness. It is the perfect addition to your 72 hour emergency kit. One unit will filter up to 20 gallons (75L) of water. Tests indicate that the Frontier Filter will remove 99.9% of Cryptosporidium and Giardia.
More information here:
http://www.1sks.com/store/aquamira-technologies-67005-frontier-filter.html