H.A.W.G.® Pro 20 Hydration Pack with 3L Reservoir – CamelBak
US Military Issued CamelBak Protective Mask Adapter Kit SKU:9700 "NEW" | eBay
Amazon.com : Hydration Tube Covers Bladder Insulators are Compatible with Camelbak Reservoir Water Bladder. Will fit MIL Spec Antidote and Crux : Outdoor Backpack Reservoirs : Sports & Outdoors