Dental Chair QF Automatic adjustment for seat and backrest Automatic zero position + three work position Multi-articulating headrest o Anatomic backrest EX Swivel right armrest Switch buttons with joystick drive Seamless upholstery coat Delivery Unit 1.4 QF Coupled 3 hand-piece positions + 1 three way syringe Counterbalance flex arm with pneumatic lock Stainless steel tray X-ray viewer Borden or Midwest connection