The Groove range consists of bottles fitted with an active carbon filter built into the straw. Each filter reduces chlorine, taste & odour for 120 litres. Easy to refill & easy to use bottle with a filter built into the straw. Turn tap water into fresh, great-tasting water anywhere you go. This bottle is also durable, BPA-Free, easy to carry & spill-proof. It also features Flip & Sip: The design that enables you to sip with ease, flip shut for storage & no spills with the patented Camel Bak Big Bite Valve.