The LARQ Bottle Movement PureVis actively self-cleans and improves water quality in a lightweight single-walled stainless-steel build–perfect for outdoor adventures, going to the gym, or whatever moves you. It uses PureVis technology to neutralize up to 99 percent (Based on elimination 99.8 percent of E.coli in a 20-second cycle for all LARQ Bottles) of E.coli from your water and bottle. LARQs proprietary and patented PureVis UV-C LED technology is the most advanced in the world. We have done the science to help you drink brilliantly. • Our PureVis technology keeps up with you. Just press and go. • Ultra-light stainless steel lets you move more with less. • The LARQ Bottle Movement PureVis will not keep your beverages hot or cold.