Ideal for replacing your old, worn out hydration reservoir, the Nathan 1. 5L Replacement Bladder features BPA free plastic and a large, easy fill opening for quickly refilling water at home and trail pit stops alike. Its high flow bite valve keeps you hydrated with minimal effort as you blast down your favorite trail or hike up demanding stretches. Moreover, you'll find a quick release hose for quick cleaning and easy integration with your favorite Nathan hydration pack.
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