Gravity Water Filters

Somewhere around your third trip pumping water by hand for six thirsty people, you start fantasising about a system that just… does it for you. That’s the entire pitch behind a high-capacity gravity water filter: fill a dirty bag, hang it from a branch or a roof rack, and let physics do the boring bit … Read more

A gravity water filter for large groups is a hands-free filtration kit — typically a “dirty” reservoir bag connected by tubing to a filter and a clean container — that uses only the pull of gravity to turn stream, tap-uncertain, or festival-tap water into something a dozen thirsty people can safely drink without a single … Read more