Originally posted by Kyodai: Been using a Katadyn Hiker for a while and it's been great with proper maintenance. I usually carry tablets for a backup too though.
Originally posted by Biathlonman: Sawyer Squeeze. Simple, light, cheap, no parts to break/lose, etc.
Originally posted by Northwoods runner: Katadyn Base Camp works great for groups, is light, and packs away well.