Brita 20 Ounce Sport Water Filter Bottle helps reduce the taste and odor of chlorine making tap water taste great anywhere. The filter inside this BPA free bottle filters as you drink, so you can always have great tasting water without the waste and high cost of bottled water. One water filter can replace up to 300 standard 16.9 ounce water bottles, keep you hydrated, save you money, and reduce plastic waste. The soft-squeeze plastic, built-in carrying loop and easy-sip spout make this water bottle easy to carry and use while you are at the gym, on a bike, or on the go. For optimum performance, filter should be replaced every 40 gallons or very two months, whichever comes first. Use Brita for better tap water, a better world, and better value.