Dental portable ultrasonic piezo scaler 2bottles for cavitron ems / 5handpiece regulation number 21 cfr 872.6070. Scaling tip 5Scaling Tips G1 G2 G3 G4 P1. We strive to always be extremely fair and always try to work with reasonable customers. Voltage Transformer 110v or 220v. IMPORTANT INFORMATION ON OUR POLICY AND FEEDBACK.