Optimal hand balance and ergonomics. Fast and reliable volume setting. Excellent reproducibility. Plunger tightness without O-ring. High chemical resistance. Fully autoclavable at 121°C / 250°F. Self-refilling automatic. Dosys™ premium 174: Detachable valve system. Enhanced corrosion resistance. Luer Lock nozzle. Package includes syringe; one meter silicone feed tube; sinker; PVC protection sleeve; aspiration; vent and dosing cannulas; set of spare for valve; operating instructions. Further Self-filling syringes available on request.