DOUBLESPRING 750CC TRASPARENT BLACK/BLACK HYDRATION REFRESHED. Refresh your hydration experience. The DoubleSpring II features Fresh technology?a smooth antimicrobial coating, and a new, improved nozzle design to produce 50% greater water flow. Fresh tasting hydration when you need it most.     Fresh antimicrobial technology     100% dishwasher safe, rated up to 90°C     New nozzle design produces 50% greater water flow     Valve Types: DoubleSpring? II     Weight: 61g     Volume: 750cc (25oz)