NDuR 28oz Pull Top Filtration Bottle - Clear ABS 4-position Weight 3

4-position Weight 3

That ambidextrous setup

8" (With Lid) Includes    Bottle

is an acronym for the design principle "Keep It Simple

NDuR 28oz Pull Top Filtration Bottle - Clear ABS 4-position Weight 3NDRs Portable Filtration Devices are the most sophisticated portable water purification devices in the world. Each containing an Advanced Filter featuring Seychelle Technology. Not only does it remove up to 99. 99% of chemicals and other contaminants like E Coli, Giardia and Cryptosporidium, it also protects against viruses and bacteria up to 99. 9999% in water that other filters cannot remove. Seen as one of the safest, most convenient, low cost