The Grayl GeoPress 24oz is a major improvement in the world of water filtration. Simply fill, press, and drink for the easiest and fastest purified water, at up to five liters per minute. The GeoPress removes waterborne pathogens and filters sediment, microplastics, heavy metals, pesticides, and a host of other chemicals. Furthermore, it’s slickly designed, with a non-slip surface, easy venting system, and a wide-contoured spout, so the process from filtration to drinking is simple and efficient. Available at Bob Ward's; $100.