These black foam filters are designed for use on some of Respironics older CPAP machines including the Choice, Choice LS & REMstar. These filters are reusable; they should be cleaned on a regular basis and replaced when worn or damaged.
Dimensions: Oval Shaped. Approximately 6 inches long, 4.75 inches wide. There is a small notch on one edge of each filter.
- Respironics Choice
- Respironics Choice LS
- Respironics REMstar