
Transform untreated river, lake, or tap water into crystal-clear hydration in minutes. Featuring advanced 0.1-micron hollow fiber filtration and activated carbon, Gravicean delivers effortless gravity-fed purification for camping, hiking, and emergencies.




Medical-grade hollow fiber membrane combines with coconut carbon to capture micro-particles, bacteria, and unpleasant odors, ensuring every sip is pure and refreshing wherever your outdoor adventure takes you.
No tiring manual pumping required. Simply hang the durable water reservoir from a tree branch, relax, and let natural gravity filter an entire gallon of fresh drinking water in roughly five minutes.


Crafted from rugged food-grade TPU, the reservoir easily rolls into a compact bundle inside your backpack, making it the perfect lightweight essential for long hikes and emergency preparedness.



"In survival and wilderness situations, access to clean drinking water is vital. Gravicean provides remarkable filtration speed and reliability without the physical strain of hand pumps. It is a backcountry must-have."
Dr. Mark Vance, Research Specialist


Traps 99.9999% of microscopic impurities, sediment, and dangerous organisms to deliver exceptionally pure water straight from wild natural streams.

Eliminates foul odors, bad tastes, and chemical impurities naturally, leaving every drop of filtered water tasting wonderfully clean and mountain-crisp.

Filters approximately one gallon of crystal-clear water in only five minutes under ideal gravity-assisted wilderness conditions.


Hang it as a group gravity camp system or connect the included filter straw directly to stream water for instant personal hydration.

Flexible, tear-resistant, and 100% BPA-free material designed to endure rugged outdoor expeditions and repeated compression folding.

Folds down flat in seconds and packs into the included carry pouch without adding unnecessary weight or bulk to your bug-out bag or pack.









Our outdoor specialists are always here to help you get the most out of your Gravicean system. Enjoy dedicated customer service, lifetime support, and hassle-free replacements.
Clear answers for explorers






Took Gravicean on a 4-day hike through the Rockies. Gravity flow filled our cook pots effortlessly while we set up camp. Fast flow, zero funny taste, absolutely great!

A true lifesaver for our family camping trip. No endless manual pumping anymore. One gallon ready in 5 minutes with pristine mountain clarity. Highly recommend!

Added Gravicean to our home emergency kit and tested it on river water. The 0.1-micron filtration performed flawlessly. The food-grade TPU bag is tough, lightweight, and packs tiny.
