The perfect sports water bottle britas fill go active model has a compact portable design that can be used to top up your hydration levels whilst working out or using as a daily water bottle when in the office or on the go the internal filter reduces the amount of chlorine and other taste impairing impurities in tap water to give fresh purified and great tasting filtered water featuring an easy to use pull out mouthpiece and a rubber hanging loop to attach to a gym or sports bag for conv