This is the Spirometry Upgrade for the CP 150 Resting Electrocardiograph (ECG). It allows you to perform pulmonary breathing tests and EKGs with one device. It works with any standard CP 150 machine CP150A-1ENB and CP150-1ENB configuration.
This includes a 3-liter calibration syringe, spirometry sensor handle with pressure tubing, USB cable, 4 flow transducers, and nose clip.
Made in the USA