Dental High Speed Handpiece Fiber Optic Turbine Kavo NSK Bien Air Sirona Coupler
23W M8SL(fiber optic, fit Sirona R/F led coupler). 26W M9SL(fiber optic, fit Sirona R/F led coupler). 23W M8KL (fiber optic, fit kavo multiflex lux led coupler). 26W M9KL(fiber optic, fit kavo multiflex lux led coupler).