With a 1.6 gal extra-large capacity, Membrane Solutions gravity water filter is the professional solution for group outdoor water needs. Our backpack gravity emergency water purifier is made from a 0.1-micron hollow fiber ultrafiltration membrane, GAC Activated Carbon filter, and double PP fiber filter. These emergency water purification systems can remove a minimum of 99% + of large particles, chlorine, micro-plastics, odor and heavy metals, and filter up to 5,000 liters of water. This Membrane Solutions gravity water filter with a detachable mouthpiece connects with the common bottle for backwashing, no need for an extra syringe. Light-weighted and easy to carry around with a storage bag, no heavy hassle, and fits perfectly in your backpack, pockets, or survival bag.
 
High Capacity Solution: Membrane Solutions gravity water filter boasts a 1.6-gallon extra-large capacity, ideal for group outdoor water requirements.
 
Advanced Filtration System: Featuring a 0.1-micron hollow fiber ultrafiltration membrane, GAC Activated Carbon filter, and double PP fiber filter, this emergency water purifier can eliminate over 99% of large particles, chlorine, micro-plastics, odors, and heavy metals.
 
Long-lasting Performance: Capable of filtering up to 5,000 liters of water, ensuring reliable access to clean water during outdoor activities.
 
Convenient Design: The gravity water filter includes a detachable mouthpiece for easy connection to common bottles for backwashing, eliminating the need for an extra syringe. Lightweight and portable with a storage bag, it fits seamlessly into backpacks, pockets, or survival kits without adding unnecessary weight.