| Electronic air cleaners are another form of air filters. | | | | capture particles. Another type is the Negative |
| These filters use electrostatic precipitation, static | | | | Ionizer, which also uses foam pre-filters and carbon |
| charge, or particle ionization to remove particles that | | | | filters. It is distinctive because it has charged wires, |
| have been sapped in by a fan through a foam | | | | which create ions. The fan then blows these charged |
| pre-filter. What happens at this point is that larger | | | | particles into the room, and they accumulate on walls |
| particles are caught and charged by a high-voltage | | | | and room surfaces. There are also ionic air cleaners |
| wire, which is then captured in the precipitating cell. | | | | that do not use filters; instead, they just utilize |
| From here, a carbon filter removes the odors and a | | | | electricity to make particles in the air become heavy |
| post filter removes other remaining particles. | | | | and drop to the ground. They do not blow air |
| Pre-filters used in this form can remove mold, | | | | through a membrane like HEPA air cleaners; instead, |
| tobacco smoke, bacteria and a large percentage of | | | | they circulate negative ions throughout the air |
| household dust | | | | Ozone generation cleaners are the least popular type |
| There are also other forms of electronic cleaners | | | | of electronic cleaner. They use high-voltage electrical |
| that are available on the market. Electric cleaners are | | | | charges to convert oxygen to ozone. High |
| one example. In addition to the foam pre-filter and | | | | concentrations of ozone can destroy gas molecules |
| carbon filter, these types of cleaners also use | | | | and certain microorganisms. However, there is a |
| polyester and cellulose fibers with a static charge to | | | | downside to this type of air cleaner. |