RapidPure Pioneer Straw - Whether you're hiking, traveling, or preparing for natural disasters, the RapidPure Pioneer Straw gives you the power to filter and purify water in an ultralight, portable water filter. Weighing just 2.6 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.