Are car air purifiers harmful?

　　1. Negative ion type car air purifiers will generate ozone if they are not equipped with a device to remove ozone, which is harmful to the body.

　　2. Ozone-type car air purifiers, not to mention, are definitely harmful. Manufacturers generally recommend that you use them after getting off the car.

　　3. Whether the slow-speed car air purifier is harmful, you can make an evaluation yourself.

　　You bought a slow-speed car air purifier, hoping that it will remove smog or formaldehyde or car exhaust or smoke smell, etc. As a result, it is very slow, and you don’t know it is very slow. At this time, you take it with you Children or wives sit in the car, thinking that with the purifier, there will be less formaldehyde, and children, pregnant women and themselves can sit.

　　In fact, the slow-speed car air purifier is really slow, so slow that it takes an hour or more to purify the inside of the car.

　　If the CADR value of particulate matter is lower than 45 cubic meters per hour, and the CADR value of formaldehyde is lower than 45 cubic meters per hour, we call it a slow-speed car air purifier.

　　Buying and using these car air purifiers is to comfort myself, the pollutants formaldehyde/toluene are still there.

　　4. Only the real "fast car air purifier" can efficiently and quickly remove pollutants in the car, allowing you to enjoy clean air

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