... . 2.Activated carbon filter. 3.Ozone timing sterilization. 4.Ionizer Mfresh SY100 Ionic+Ozone Air Purifier in Car Specifications Model ... convenient to clean and change.3. Ozone timing sterilizer Ozone output: 100mg/h, 5,15,30 minutes ozone timing. 4. Ionizer purification.Anion ... has "1" "2" "3" different model ; press the left ozone timing sterilization key, to adjust the sterilization time, which has ...