PRO2 Check Ultrasonic Oxygen Indicator - Quickly and accurately determines percentage of oxygen - No expensive fuel cells to replace - No need for time consuming, routine calibration Easy set up, use, and maintenance.Features Uses microprocessor controlled ultrasound technology to indicate oxygen concentration. Calibration can be quickly & easily verified with one button. Highly accurate measurements with no maintenance costs.
Express delivery and return policies
Free shipping on orders over $30
Processing time: 1-2 Days
Shipping time: 3-5 Days(According to the logistics method and delivery address)
Items can be returned or exchanged within 30 days !
