ALL INSTRUMENTATION DIFRA PRODUCTS VIDEONYSTAGMOGRAPHY SYSTEM DI 140500 VIDEONYSTAGMOSCOPE NYSSTAR I VIDEONYSTAGMOSCOPE NYSSTAR II ELECTRONYSTAGMOGRAPHY SYSTEM IDEAS III ELECTRIC EAR SYRINGE AQUASTAR warm and cold water ELECTRIC EAR SYRINGE AIRSTAR warm and cold air ELECTRIC EAR SYRINGE COOLSTAR warm and cold air ROTARY CHAIR MINITORQUE ROTARY CHAIR MEGATORQUE ROTARY CHAIR GIGATORQUE Vestibular testing system Ear syringe Electric ear syringe Videonystagmography system Water ear syringe Rotary chair Videonystagmoscope Videonystagmoscopy system