GREGORY QUICK DISCONNECT KITInline hose quick-disconnect coupling for easy refills without having to un-thread the hose from the shoulder harness.FEATURESQuick disconnect couplingInstructions: Cut hose and insert coupling between the reservoir and Bite valve allowing removal without having to un-thread the hose from the shoulder harness.TECH SPECS37.5" / 95.25 cm length of 0.25" / 0.635 cm inner diameter insulated hose