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How often should the box air filter be replaced?
How often should the box air filter be replaced?The replacement cycle of the filter material of the box air filter is usually affected by a variety of factors, and the following is a general reference:Divided by filter type Primary filter: mainly intercepts large particles, such as dust, hair, and so on. It is generally recommended to replace it every 1-3 months. Medium filter: the normal use period is about 3-6 months. When it is found that the surface filter cotton of the medium effect filter is covered by a thick layer of ash, and the airflow is significantly weakened, it should be replaced in advance. High-efficiency filters, such as HEPA filters, are usually recommended to be replaced every 6 months to 1 year or so. In the case of more serious environmental pollution, the life of the filter may be shorter. Activated carbon filter material: generally 3-6 months replacement. Since the adsorption capacity of activated carbon will gradually weaken with the increase of time and adsorption amount, it should be replaced in time to avoid adsorption saturation. Divided by use environment Ordinary family environment: if there are no smokers and pets in the home, and the air quality in the area is good, the filter is not used frequently, under normal circumstances, the initial effect filter can be replaced in 3-6 months, the medium effect filter can be replaced in 6-9 months, and the high-efficiency filter and activated carbon filter can be replaced in about 1 year. Harsh environment: In heavy smog areas, industrial pollution areas, near construction sites or families with smoking, pet raising, etc., the primary filter may need to be replaced in 1-2 months, the medium filter in 3-6 months, and the high-efficiency filter and activated carbon filter in 6-9 months or even less time. Divided by device prompts Air quality monitoring tips: Some high-end air purifiers have air quality monitoring function, users can monitor the working status of the filter material through the real-time display of the air quality index, when the index continues to rise, on behalf of the filter material filtration capacity decline, need to consider replacing the filter material. Filter replacement reminder function: Many modern air purifiers will also come with a filter replacement reminder function, when the filter is used for a certain time or to a certain degree of pollution, the device will send a reminder signal, so that users can more easily master the replacement time. |
