6670600 Maquet ultrasonic oxygen sensor, for ventilation Servo I / Servo S (new,original)

Expiratory Cassette Membrane for Maquet SERVO-s Service Manual （pack of 10pcs）(new,original)

Rubber seal p/n 6693757 for Maquet Servo i (new,original)

Bacteria filter for the O2 cell (new,original)