Detail
The Respironics DC Cord is shipped with a 3 amp fuse already installed. The 3 amp fuse is for use with M Series WITHOUT the Heated Humidifer, Solo®, Solo Plus, Solo LX, Solo Plus LX, REMstar® LX, REMstar Plus LX, Aria® LX, Virtuoso® LX, REMstar Plus, REMstar Pro, REMstar Auto, REMstar Nova, Somnia or Phönix Systems. If you are using the DC Cord with a SleepEasy,REMstar, Aria, Virtuoso, Harmony® S/T, Duet LX, BiPAP® Pro or SynchronyTM System, you must use the 5amp fuse. If you are using the DC Cord with a Synchrony system or an M Series Machine with the Heated Humidifier, you must use the 7amp fuse. Package contains 2 replacement 7amp fuses
