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Amazon.com : Hydration Tube Covers Bladder Insulators are Compatible with Camelbak Reservoir Water Bladder. Will fit MIL Spec Antidote and Crux (Coyote Brown, Crux 50oz/1.5L) : Sports & Outdoors
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Amazon.com : CamelBak Crux & Fusion Thermal Control Kit Accessory - Insulated Tube, Bite Valve Cover - Cold Weather Tube Accessory : Sports & Outdoors
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