The Hyper Medozon Comfort Ozone machine has a user guide via integrated colour touch screen Input of concentration with number keys infinitely adjustable to any value between 5ug/ml and 80 ug/ml. The entered concentration is automatically measured and controlled by the analyser. Highly flexible the ozone can be delivered from any of the three outlets including being drawn up directly into a syringe.
https://dotoloeurope.com/product/hyper-medozon-comfort-ozone-therapy-machine/