Pristine Straw is an innovative water filtration device. Pristine Straw removes 99.99% of bacteria and protozoan parasites, while improving turbidity. Nobody wants to chew their water! Pristine Straw is convertible and can be pressurized! Pristine Straw can be used as a traditional straw or can connect to a standard pop or water bottle, tubing for your gravity bag, or tubing to collect water straight from your water source.