WRELS Gravity Water Filter System 3L for Camping, NSF Certified Water Purifier Survival Filter, BPA-Free Portable Water Filter for Hiking, Backpacking & Emergency Use

• Hands-Free Gravity Water Filter System：Enjoy safe drinking water anywhere with this lightweight gravity water filter system. Simply fill the water bag, hang it from a tree or hook, and let gravity do the work — no pumping, squeezing, batteries, or power required. Ideal for hiking, backpacking, camping, trekking, fishing, and emergency preparedness.
• Safe & Reliable Water Filtration Anywhere：Built with NSF-certified 0.1 micron hollow fibre membrane technology, this camping water filter removes up to 99.999% of harmful substances and suspended particles from natural water sources. Effectively filters microplastics, sediment, sand, silt, and other impurities for cleaner, safer drinking water outdoors.
• Long-Lasting & Easy to maintain：The removable filter cartridge delivers up to 1000 litres of reliable water purification performance，the flow rate can reach up to 1500 ml/minute. Cleaning the filter cartridge is extremely simple: simply place it in clean water and shake or rinse it—no backwashing or tools of any kind are required.
• Lightweight, Foldable & Easy to Carry：Designed for outdoor convenience, the collapsible water filter bag folds flat when empty to save valuable backpack space. Ultra-lightweight and compact, this water filter camping system fits easily into pockets, hiking packs, survival kits, and camping gear.
• Durable BPA-Free TPU Water Bag：Made from food-grade BPA-free TPU material, the collapsible Water Purification Bag is soft, durable, leakproof, and safe for everyday use. The wide-mouth opening allows quick filling and easy cleaning, while the hanging strap enables effortless gravity-fed water filtration at campsites or on the trail

Featuring advanced 0.1 micron hollow fibre ultrafiltration technology and NSF-certified filtration performance, this water purification system removes up to 99.999% of harmful substances and suspended particles, including microplastics, sand, sediment, and silt.Simply fill the collapsible bag, hang it using the integrated strap, and let gravity naturally filter the water — no pumping, batteries, or complicated setup required. Whether you're hiking through the mountains, camping in the wilderness, travelling off-grid, or preparing for emergencies, this portable gravity water filter system gives you instant access to safer drinking water from streams, lakes, rivers, and natural water sources.