XStream Water Filter Straw. Now a better way to drink safe water right from a stream or any non-salt water source! The NEW XStreamTM Water Filter Straw by SaganTM has been tested to the "End of Life" and certified by independent water laboratories to remove 300 gallons of bacteria, virus, giardia and cryptosporidium. Amazing results, and so easy to use. Comes as a 2ft length with a 2ft extension, total 4ft (48") long. Now you don't have to lay in the dirt and mud to drink through your straw. Simply attach the filter with the quick connect fittings for either a 2 foot or 4 foot straw. This life saving device is so easy to suck through even a 4 year old child can do it with ease. Take this life saving straw with you backpacking, hiking, camping, canoeing, kayaking, hunting, fishing, or on your long bike rides or motorcycle rides across the county. Also great for Go Bags or 72 hour kits. Water Filtration you can count on for emergencies or everyday water filtration. Don't skimp on your water filter. Make sure it has an "End of Life" test. Outperforms Katadyn, Katadyn Pocket, Sawyer Mini, and definitely better than Water Filter Tablets.