We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Gravity water filters are standalone water purification systems that use gravity to ...

When Katadyn launched its BeFree filter system in 2016, it set a new standard for fast, lightweight, on-the-go water filtration. The half-liter, liter, and three-liter soft flasks quickly became ...

If you're a backpacker you need a reliable yet lightweight method for purifying and filtering water in the wild. Most commercial methods are either bulky and heavy or need supplies such as salt and/or ...