Dental Chair QF Automatic adjustment for seat and backrest Automatic zero position + three work position Multi-articulating headrest Anatomic backrest EX Swivel right armrest Switch buttons with joystick drive Seamless upholstery coat Delivery Unit 1.4 QCF Coupled Colibri system (Continental) 3 hand-piece positions + 1 three way syringe Counterbalance flex arm with pneumatic lock Articulated tray holder Borden or Midwest connection