Select your CRITICARE SYSTEMS model from the choices below...                                             
502 502 PULSE OXIMETER 50245 PULSE OXIMETER 502US PULSE OXIMETERS 503
504 504 PULSE OXIMETER 50445 PULSE OXIMETER 504US PULSE OXIMETERS 506
506 PULSE OXIMETER 652008 END ENDTLC02 PULSE OXIMETER PULSE OXIMETER
PULSE OXIMETER 50245 PULSE OXIMETER 50445 PULSE OXIMETER END PULSE OXIMETERTLCO2 TLCO2