Irrigation TrayContro piston syringe offers uninterrupted action in a single hand technique The sterile, disposable syringe with thumb ring is designed to minimize hand slippage and prevent contamination. The barrel features raised, large and easy to read graduations, which are calibrated in oz and cc. The tip, elongated to facilitate tube feeding, has an extra large orifice for better removal of clots and mucous shreds. 20 per case