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. These are Respironics part number 1005945. Filters measure approximately 3 1/2 inches by 1 1/2 inches. Two filters per pack.
| Please note!! These filters fit the older style REMstar and BiPAP machines that look like this: |  | Not the M-Series machines that look like this: |  |
