The sport bottles are made from a much higher quality and more durable plastic. Filter will treat up to 80 gallons of water, approximately 3 months of use under normal conditions. It removes chlorine, bad taste and odor, as well as significant proportions of heavy metals, including Lead, Mercury, and Copper. It works great in standard bicycle racks and car holders. Simply fill bottle with water and drink. Bottle will filter the water as you drink!!