The RapidPure Pioneer Straw gives you the power to filter and purify water in an ultralight, portable water filter. Weighing less than 2 ounces, this pocket-sized straw comes with its own carry bag and is the ideal camping, hiking, backpacking, and travel water purifier, as it's safe, fast, and easy to use. Unlike microfilters that rely on pore size to simply filter out bacteria and sediment, RapidPure water treatment actually purifies water using electroadsorption, removing bacteria, parasites, viruses, parasites, chemicals, heavy metals, pesticides, and microplastics, as well as filtering out sediment. There is no priming or pumping required, making this fast water filter also the best water purifier for personal use. RapidPure continues to work even after it has been frozen, giving you peace of mind if the temperature suddenly drops. With RapidPure water purifiers, quenching your thirst is safer, faster, easier, and better tasting.