Respironics 1029416 M Series Filter Kit Ultrafine & Pollen |TAB Style NEW in Bag

DIMENSIONS: Approximately 1.75 (1-3/4) inches long by .875 (7/8) inch wide.

COMPATIBILITY: All PR System One REMstar CPAP Machines (PR System One REMstar SE, REMstar Plus, PR System One REMstar Pro, PR System One REMstar Auto, etc.). All PR System One BiPAP Machines (PR System One BiPAP Pro, PR System One BiPAP Auto, PR System One BiPAP ST, PR System One BiPAP AVAPS, etc.). All M-Series REMstar CPAP Machines (M-Series REMstar, M-Series REMstar Plus, M-Series REMstar Pro, M-Series REMstar Auto, etc). All M-Series BiPAP Machines (M-Series BiPAP Plus, M-Series BiPAP Pro, M-Series BiPAP Auto, etc.). All SleepEasy CPAP Machines.