The RapidPure Purifier + Ultralight Straw provides fast, effective water purification in a pocket-sized straw. Weighing in at less than 3 oz, this straw filter and purifies using a new POD platform with UltraCeram and OpenPore technology for 99.99% protection against viruses, bacteria, parasites, and more. It includes a replaceable filter cartridge and POD, a travel pouch and an ultralight straw with a bite valve cover.