Exstream Bottle Purifier
The Best Selling Bottle Purifier

The only EPA registered purificaton bottle that removes ALL types of organisms, including viruses.
Lightweight, simple design fits into standard water bottle holders.  Ideal for dayhikes, international travel, mountain biking, kayaking, etc.
New carry loop for easy attachment to packs, kayaks, etc.

Specifications
Purification Method: Virustat Technology plus filtration and carbon
Bottle Capacity: 26 oz (21 oz. after cartridge displacement)
Cartridge Capacity: up to 26 gallons
Weight: 7 oz
Height: 11"