External water filter for enhanced infection control Soft Perio power zone for ultimate comfort The PIEZON 150 is the first of its class when it comes to direct-waterline devices. It carries the standard PIEZON module with an ultrasonic performance of 32;000 linear oscillations per second; providing an efficient calculus removal and maximum precision. It has a compact design; taking up very little space in the office; with an intuitive power-control interface. Equipped with six LED that deliver daylight quality; the PM 150 is ideal for hard-to-reach cavities and pockets. Includes: 1 PIEZON Handpiece PIEZON Instruments A; P; PS Maintenance set 2-function foot pedal