On-demand water pressure: The handheld pressure bulb keeps water to drink, cool, clean and share always at the ready with Aquamira’s 3L capacity Pressurized ReservoirQuick, easy refill: A slide top and wide open mouth allow for fast refill from any faucet, stream, river, lake or pondFilter ready: Install an Aquamira Frontier Max filter via the inline quick connects to have a complete hydration and filtration system, anywhere you goReversible and dishwasher safe: Our BPA- and phthalate-free water bladder can be easily flipped inside out for cleaningLifetime warranty: All of our Aquamira Reservoirs are covered by a lifetime warranty against leaks so you can be confident keeping this in your pack