The LARQ, the world's first self-cleaning water bottle providing on-the-go water purification from a clean bottle, is back in a new and improved version. The self-cleaning Larq PureVis 2.0 Bottle provides both purification and filtration, thanks to a filter that removes chlorine and PFOA/PFOS. It also eliminates bio-contaminates like E. coli and salmonella. Features of the Larq PureVis 2.0 Bottle include: Double-walled insulated stainless steel design keeps water cold for up to 24 hours. Enhances water quality with 2-stage filtration and purification for cleaner, better-tasting water. PureVis™ technology that eliminates up to 99.9999% of bio-contaminates like E. coli and salmonella. Nano Zero filtration that improves taste and removes chlorine and PFOA/PFOS. Innovative plant-based filter that's independently tested to NSF/ANSI 42 & 53 standards to be effective against a wide range of pollutants. 1 filter included. A dedicated app that tracks your hydration habits and sets goals so that you can improve your hydration. PureVis™ technology activates every 2 hours to keep your bottle clean and odor-free—aand prevents bio-contaminant growth. Built-in, detachable soft-touch handle making it easier to take your hydration on-the-go. USB-C charging port: one full charge lasts up to 2–3 weeks of use. Measures 10h x 3"diam. Generous capacity, holds 23oz. 3-pack of replacement filters sold separately. One filter will last up to 40 gallons for 2 months before needing to be replaced. Features of the Larq PureVis 2.0 Essential Bottle Filter include: Long-lasting: Filters up to 25 gallons (94 liters) of water or 2 months of use — this equals to 189 single-use plastic bottles. The innovative plant-based filters are independently tested to NSF/ANSI 42 & 53 standards to be effective against a wide range of pollutants. Protects against chlorine, PFAS (PFOA/PFOS), pharmaceuticals and more.