SANDENT Dentale Prophy Air Jet Flow Polisher Handpiece fit Kavo NSK B2/M4 Sirona
(Dental Teeth Prophy Air Jet Flow Polisher fit Kavo NSK B2/M4 Sirona coupler. Prophy Unit Jet Mate. Air Polisher（Fit Sirona Coupler). Air Polisher（Fit KaVo Multiflex). Air Polisher（Fit NSK B2/M4 Coupler).