Acquired ISO 9001,ISO 13485 quality management system and European CE 0434 certification SpecificationsUltrasonic Frequency42,000 HzTank MaterialStainless Steel ... for Scientific Labs, Medical and Dental Clinics, Electronics WorkshopsHobbyistsElectronics Components, Mechanical Parts, Firearms, Golf ClubPersonal CareJewelry, Watches Straps and Bands, Glasses, Dentures, Toothbrushes ...