Works for all the Respironics REMstar M CPAP Models:
- REMstar M Plus - DS200
- REMstar M Pro - DS400
- REMstar M Auto - DS500
Is not a replacement for the M BiPAP models, see RSP1038121.
There is a part number 1025539 that may be obtained off the blower motor being replaced. This item 1022754 is the proper replacement.