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How often should the cartridge of the replaceable air filter be changed?
How often should the cartridge of the replaceable air filter be changed?The replacement cycle of the filter element of the replaceable air filter varies according to the material, the use environment, and the maintenance situation, and it is usually recommended to refer to the following standards:1. Filter type and replacement cycle HEPA Filter (High Efficiency Particulate Filter) Replacement cycle: 6-12 months (ideal environment) Shorten the scenario: high pollution environment (such as an industrial area, near the main road), pets or smokers in the home, frequent use. Tip: HEPA filter can not be washed, and need to be replaced. Activated carbon filter (adsorption of odors/harmful gases) Replacement cycle: 3-6 months Shorten the scene: newly renovated room, kitchen smoke is heavy, and there is a formaldehyde release source (such as furniture). Note: The adsorption capacity of activated carbon decreases after saturation, and it needs to be replaced in time. Composite filter (HEPA + activated carbon combination) Replacement cycle: 4-8 months Influencing factors: The life of the composite filter is limited by the weakest layer (such as the first saturation of activated carbon), which needs to be comprehensively judged. pre-filter Replacement cycle: can be cleaned and reused, it is recommended to clean once every 1-2 weeks and replace when damaged. Second, the method of judging the timing of replacement Air quality declines: such as reduced air volume in the outlet, obvious odor, and a rise in PM2.5 / formaldehyde concentration. Equipment tips: Some purifiers have a filter life reminder function (such as indicator color change). Filter status: Observe whether the filter has serious dust accumulation, black color, or deformation. Use time: Replace according to the recommended cycle of the manual to avoid secondary pollution caused by overdue use. Three, extend the life of the filter element skills Regular cleaning of the pre-filter: reduce the burden of the main filter element. Control the frequency of use: reduce the wind speed when not necessary to avoid excessive loss of filter element. Improve the environment: Reduce indoor pollution sources (e.g. quit smoking, reduce incense burning). Use in stages: open the high-speed mode when the pollution is serious, and maintain it at a low speed daily. 4. Suggestions for special scenarios Newly renovated houses: activated carbon filters need to be replaced every 2-3 months for 6-12 months. Allergic families: It is recommended to replace the HEPA filter every 4-6 months to ensure efficient filtration. Industrial/commercial sites: Monthly inspection, depending on the level of contamination, may take 1-3 months to replace. Sum up General recommendations: HEPA filter 6-12 months, activated carbon filter 3-6 months, composite filter 4-8 months. Flexible adjustment: Shortening or extending the cycle according to actual use, and regularly checking the status of the filter element is more reliable. |
