Amazon.com : Katadyn Pocket Water Filter, Black, 10 (2010000) : Camping Water Filters : Sports & Outdoors
Katadyn Vario water filter: lightweight and compact trekking water filter
Amazon.com : Katadyn Pocket Water Filter, Long Lasting for Personal or Small Group Camping, Backpacking or Emergency Preparedness : Camping Water Filters : Sports & Outdoors