Description
Premium Adult Aneroid Sphygmomanometer Butterfly Grey Athletic one zip cargo pocket and Find total comfort and 417012 737314891504 Size:7.5 one zip cargo pocket and two zip back patch pockets The deep cone shaped bell is ideally suited to detect lower frequency heart sounds (20 660 Hz) while the snap on fiberglass diaphragm is specialized for detecting higher frequency heart and respiratory sounds (150 1000 Hz)