Other Devices Other Devices Sale! Blood Pressure Monitor, Upper Arm $34.00 Original price was: $34.00.$30.00Current price is: $30.00. Berrcom Thermometer Gun $35.00 Medline Finger Oximeter $34.00 Acapella Choice Vibratory PEP $59.00 Omron Peak Flow Meter $16.00 Voldyne Volumetric Spirometer $4.00 Drive Airial Chamber Spacer $15.50