Graham Field OxyRead Finger Pulse Oximeter Sport Runner Shoes the 431 full-face mask is

the 431 full-face mask is auto contouring to the surface of your face

one on head section and one on foot section

making the organizer a great travel companion

(Not available on Pre-Owned units) SD Card Slot Yes

Click here for the AirFit F20 mask sizing guide

Graham Field OxyRead Finger Pulse Oximeter Sport Runner Shoes the 431 full-face mask isGraham Field OxyRead Finger Pulse Oximeter The OxyRead Finger Pulse Oximeter provides simple, fast, and accurate oxygen saturation (SpO2) and pulse rate measurements. Its lightweight and compact design makes it an ideal solution for home, clinical and EMS settings. Features Lightweight, pocket size solution Provides fast and accurate SpO2 and pulse rate measurements Large LED digital display that is easy to read Simple one button operation Automatic