... 25*52cmtimer(Min)120/∞ozone concentration15mg/L—20mg/Ltype of coolingforced air cooling2 Ozone Typical ApplicationOzone gas has ... food. disinfection for the kitchen, dining hall, kitchenware, refrigerator, dish shelf, nursery ground, store room, tableware, bedding, and ... : fast restore the oxygen, increase indoor oxygen concentration of oxygen, promote human body cell activation, improve blood ...