Pristine Water Bottle with Purifier is a 750 ml BPA-free water bottle with market-leading technical specifications! Our purifier is designed for the most challenging and suspect water anywhere in the world. Purifier removes >99.9999% of bacteria, 99.9999% of viruses, and >99.999% of protozoa (cysts/parasites), including Giardia and Cryptosporidium. It also removes PCB, polysaccharides, heavy metals, chlorine, bromine, humic acid, endotoxins, colloids, particulates, chemical reduction, and trace pharmaceuticals. With a >500ml/L flow rate, just fill your bottle and go! The purifier attaches securely to the lid which has a comfortable handle for easy transport and features an innovative spout that keeps your drinking surface clean. Purifier has been independently tested by an EPA-approved laboratory and exceeds NSF P231 microbiological water purifier standards.