The WaterBasics RED Line Filtered Water Bottle is the perfect way to enjoy great tasting, filtered water with just a squeeze and a sip. The simple to use design makes it easy to have fresh, clean, filtered water at home, at the office, in the gym, or for all kinds of outdoor and travel activities. When you drink from a WaterBasics RED Line Filtered Water Bottle, you are assured of a thoroughly tested and proven level of biological protection that includes protection from virus, bacteria, protozoans and chemical and biological toxins..