Does the filter element of the car air purifier need to be replaced?

　　The filter type needs to be replaced. The effective car air purifiers that can be found at present are filter type.

　　Of course, the filter type has a CADR value of more than 45m?/h, which belongs to the category of fast car air purifiers to be effective.

　　There are various concept car air purifiers such as negative ion type, ozone type, or pure ion. The CADR value has not been found to reach 45m?/h. These belong to slow speed car air purifiers. Purification is very slow.

　　How long does it take for a 3 cubic meter car to purify the air that exceeds the standard by 10 times, how many minutes can be calculated by the formula t=2.3*3*60/CADR value.

　　If it is an SUV, it will take longer. Then only a fast car air purifier with a CADR value of more than 45m?/h can purify the air in the car.

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