Description:- Cartridge For Apple Dental Push Button Airotor-Standard Ergonomically designed for easy operation and servicing.Key specification TECHNICAL SPECIFICATION: Speed 350,000~38,000 rpm Noise < 65dB Material Ceramic bearingFeatures:-Powerful drive Made with class A ceramic bearing Durable has a relatively long lifespan and for preparing the teet Well, balanced turbine cartridge. Easy changing burs with push-button. Easy changing cartridge. Rated Air-pressure. Rotating Speed Without Load. Well balanced.ADVANTAGE : Smooth operation, Low noise. Long life. Best Quality Bearing. Well balanced. Durable. Good performance.Packging:- 1 x Cartridge