ExtremeMist PCS hydration reservoir w/drink hose and bite valve. 2 Liter water reservoir with quick disconnect fitting for PCS connectivity. PREMIUM QUALITY water reservoir. The whole hydration bladder is made of premium material. Our water reservoir is taste-free, BPA-free, and 100% food grade, tested to comply with international safety standards. It won’t leave a bad taste in your drink. The water bladder passed the pneumatic pressure test and it's 100% leakproof. You won't be slowed down with our high flow bite-valve. Simply bite the mouthpiece to draw water. Its soft mouthpiece has an easily accessible ON/OFF valve to prevent leakage. It also has a cover to keep dirt out. Conveniently control the water flow by biting, when not in use the water will not leak out. The reservoir has a quick release valve with an auto shut off, so when the drink hose is removed, the contents of the reservoir can't leak out.