LifeStraw Peak Series 8L Gravity System 8L Bag - Dark GreyThis gravity water filter system with safe storage has multiple carrying options, while boasting a simple but enhanced filtration system designed to prevent clogging from sand and silt. It’s the only gravity water filter system with added safe storage you’ll need for you and the whole crew for as long as you’re on your adventure.

Both 8L gravity and storage bags are fully leak-proof systems allowing for mobility, and the safe-water storage bag has a custom easy-pour screw-spout for fast flow and a hose attachment for added functionality and versatility. 
You can even remove the filter from the gravity bag and use as a straw on the go, connect to a water bottle, or use the included plug cap to stop flow and use as a second storage system.
Made of high-performance materials for long term durability, you won’t have to worry about punctures or rips during your travels. 
The ultimate basecamp high-capacity filtration system that allows for seamless quick-connected safe storage for even more hydrationProtects against bacteria, parasites, microplastics, silt, sand, and cloudiness Great for large groups, basecamp, wild camping and campervan travel – easy to hang from a tree or campervan for quick hydrationMade with premium materials resistant to punctures and ripsHighly Versatile - Use as a gravity water filter system, storage system, and straw filter for on the goMembrane microfilter lasts up to 2,000 L (500 gallons)Specifications:Weight: Dirty Water Bag - 536gSafe Storage Bag - 430gDimensions: 3Dirty Water Bag - 35.6 x 59.7cmSafe Storage Bag - 35.6 x 59.7cmHose length: 1.2mIncludes: LifeStraw Peak Series 8L gravity bag with hose and standard quick connector, carabiner, leak-proof cap for water storage, easy carry strap, LifeStraw Peak Series 8L safe water storage bag, custom cap with twist-spout, backwash accessory, user manualFilter Specification:Membrane Microfilter Protects Against:99.999999% of bacteria 99.999% of parasites 99.999% of microplastics, silt, sand, and cloudiness Pore Size: 0.2 micronMembrane Microfilter lasts up to 2,000 L | 500 gallons – water will stop flowing through once the filter has reached the end of its lifetime