The 3.0 Reservoir fits Ultimate Direction's pack line and offers a wide-mouth opening for easy filling and cleaning. It features durable, PVC-free TPU tubing that resists kinking and drapes comfortably over the shoulder. The Plug-N-Play disconnect simplifies refilling and cleaning. A high-flow bite valve ensures effortless hydration and self-seals to prevent dripping. The flexible, non-kinking 36-inch drink tube provides a steady flow.