What should I pay attention to when replacing the filter element of air purifier?

I haven't seen a sunny day for a long time; I have been wearing a mask and haven't relaxed for a long time. Only when we are in a space with an air purifier and no pollution can we dare to breathe boldly. If you want the air purifier to run continuously and better, you should pay attention to replacing the filter element. What should I pay attention to when replacing the filter element of air purifier?

Because of long-term filtration, the filter layer will absorb many bacteria, hair dust particles, and even cause blockage, which will affect the air intake and air purification effect, so it needs to be cleaned in time. Air purifiers need purification, adsorption, sterilization and other work. The high-frequency purification load reduces the service life of the purifier and saturates the purification consumables. In this case, it is necessary to replace the filter element to avoid the reduction of purification effect.

However, at present, when PM2.5 is used, the air quality is extremely poor. The air purifier filters dirty air all the time, and the filter element is heavily loaded and dirty quickly. If it is not replaced in time, it will cause secondary pollution of indoor air and make indoor air no longer clean.

Generally speaking, the common filter elements of air purifiers include pre-filter, HEPA filter and activated carbon filter. Different filter elements have different replacement time and service life.

Pre-filter screen

Pre-filtration is the common first filter screen inside the air purifier. Generally, it is advisable to clean the pre-filter 1-2 times a month. The pre-filter screen that can be washed can be washed with clean water, and then it needs to be dried or dried by a hair dryer before being put into the air purifier. If the filter is not washable, use a vacuum cleaner or rag to remove the dust.

HEPA filter

At present, air pollution is so serious everywhere, and the longest life of HEPA filter is generally only 3 months or even shorter, which means that HEPA filter needs to be replaced frequently. Although the replacement cost of HEPA filter is high, cleaning with vacuum cleaner can prolong its service life to a certain extent, when the surface of HEPA filter tends to be black, it should be replaced as soon as possible in order to ensure the air filtration effect and health.

activated carbon filter

Activated carbon filter is a porous carbonized substance. Harmful gas molecules are adsorbed into the carbon pores. When activated carbon is saturated, it loses its adsorption capacity. When clean air passes through, the adsorbed pollutants can even escape. The adsorption capacity of activated carbon filter screen is partially restored by exposure or blowing with hot air blower, but its service life is 3 ~ 6 months, and it still needs to be replaced in time.

The filter element replacement of air purifier should not only be based on the filter element type, but also consider the air quality in the area. If the air quality is poor, the filter element needs to be replaced in advance. Replacing the filter element is a way to prolong the service life of the air purifier. If you want the air purifier to accompany our family for a longer time, you should also pay attention to the use and maintenance of the air purifier.