Tube refill adaptor (U.S Patent No. 8,430,134 B2)A revolutionary solution for refilling your hydration system on the move. The reservoir is filled directly through the tube eliminating the need to remove the hydration pack from the back for refills.The UTA kit includesQMT UTA adaptorFits almost every bottle and tapQMT Co-ex tubeGet extra reach - connect the UTA to your drinking tubeQMT Helix™ valveSOURCE Valve with QMT connectorAbout QMT Quick Mate Technology:Push-button convenience for fast and easy disconnection of tube and valve and attachment of various accessories (patent pending).