- Respironics brand (OEM) white ultra-fine filters that are used by the Respironics REMstar Plus, REMstar Pro, REMstar Auto, BiPAP Plus and BiPAP Pro2.
- These are for the older non M-Series CPAP machines.
- Filters measure approximately 3 1/2 inches by 1 1/2 inches.
- Two filters per pack.
2 Each / Pack