Ozone Disinfection Machine YL-S3500 for Hospital + 3500mg/h for Both Water and Air Can be used ... both water and air. Ozone Disinfection Machine YL-S7000 for Hospital + 7000mg/h for Both Water andAir Feature: 1. Ozone generator ... your nose directly from the ozone outlet.Application: Home, school, hospital, warehouse, hotel, kindergarden, office, farm, food factory, cosmetics, edible mushroom ...