This revolutionary technology from LARQ combines high-performance Nano Zero filter technology with zerovalent iron providing a seamless, low-pressure drinking experience. The Nano Zero continues to trap contaminants like chlorine and VOCs while zerovalent iron grabs onto heavy metals for pure, great-tasting water. The seamless sip lid has a easy-to-drink low pressure straw to let the bottle do the work for you for when you're active and on the go.