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Amazon.com: Hydrapak Velocity IT Insulated Water Bladder/Reservoir for Running Hydration Vests, 1.5-Liter (50 oz.), Reversible for Easy Cleaning, Safe & Reliable : Everything Else
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HydraPak Velocity (1.5L or 2L Hydration Reservoir) - Slim-Profile Water Bladder/Reservoir for Hydration Pack Self-Sealing Bite Valve, Leak Proof, Fully Reversible and Dishwasher Safe Blue 1.5 Liter
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