Details:The ART-PB3 piezoelectric scaler is our only built-in piezo scaler designed for those that wish to install a scaler to a dental chair or unit. The ART-PB3 features a 2”x3” LCD screen.Solenoid valve, transformer, and foot switch are sold separately.Part Number: PB3-0-ARBS-00-40-DCE and ISO ce..