Handheld, self-refilling microdispensers are designed for repeated distribution of microliter volumes and combine the easy handling of a regular micropipettor with the flexibility of a repeater pipettor. Reliable valve system ensures high performance dispensing, dose after dose, and revolves to allow selection of the best working position. Three-year manufacturer's warranty. Microdispensers include 90cm (357/16") silicone tubing, stainless steel blunt end cannula, female Luer inlet valve cap, Q.C. certificate, and operating instructions.Outlet nozzle fits any Luer Lock needles and cannulas. Versatile feeding through bottle, tubing, or syringe. No need for plastic tips or consumables. Soft plunger activation. Swift-set in-lab calibration. Resistant to aggressive media. Autoclavable fully assembled at 121C (250F).