Amazon.com offers Platypus Hoser Hydration Reservoir for $11.93.FREE Shipping on orders over $35.
The Hoser comes in four handy sizes to fit practically any hydration pack or replace any hydration reservoir.
Taste-free as well as BPA-, BPS-, and phthalate-free hydration reservoir with hanging loop. Embedded silver-ion protects bottle from mold and bacteria.
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