The Precision Medical PM3300 Intermittent Vacuum Regulator is a high-quality medical device designed for use in emergency medicine and cardiology. This regulator, with a flow rate of 0 - 200mmHg, features an analog gauge for precise readings. Made in the United States by Precision Medical, this vacuum regulator is reliable and efficient for a variety of medical applications. Ideal for use in a hospital setting or during medical procedures, this regulator is a valuable tool for healthcare professionals.