The ultimate basecamp high-capacity filtration system that allows for seamless quick-connected safe storage. Both are fully leak-proof systems allowing for mobility and the safe-water storage bag has a custom screw-spout for fast flow with a hose attachment for added versatility. Made of high-performance materials for long term durability, you won’t have to worry about punctures or rips during your travels. This gravity water filter system with safe storage boasts a simple but enhanced filtration system designed to prevent clogging from sand and silt. It’s the only system you’ll need for you and the whole crew for as long as you’re on your adventure. For every LifeStraw product purchased, a school child in need receives safe water for an entire school year.