The RapidPure Purifier+ Multi-Use System is a 4-way multifunctional system that uses an innovative POD platform for purification your way. The POD platform adapts to your adventure, using UltraCeram and OpenPore technology for 99.99% protection against viruses, bacteria, parasites, and more. The RapidPure Purifier+ Multi-Use System includes the ultralight pack-flat bottle, a straw with cover, a universal POD adapter, and a replaceable POD cartridge filter. It is compatible with an 28mm water bottle, as well as most in-line hydration systems.