This is an inexpensive unit, with a corona tube and an air pump, in a plastic case. The air pump can deliver 0.75 PSI of pressure, and deliver approximately 2-3 LPM of flow. This system can output 100mg/h without an air drier, and 200mg/h with an air drier. This product includes tubing & diffuser stones.
What makes the HP-200 different?
This is a cost effective method to try ozone and see if it's right for you.