The Water Bottle Portable Pet Drinking Fountain is an excellent way to provide your furry friend with clean, fresh water wherever you go! This reinvented pet drinking fountain comes with two separate built-in reservoirs: A 500ml BPA Free plastic reservoir for storing water and a specially designed metal filter for purifying the water. It also features a long spout for easy pouring, making it easy to water your pet on-the-go. The filters can easily be replaced ensuring constant access to hygienic and healthy water for your pets. The ergonomic design includes an anti-spill locking system, keeping the water contained while travelling. With easy installation into backpacks and cages, this lightweight fountain ensures that your pet’s thirst is constantly quenched wherever you go!