How often should I replace the filters in my air purifier?

The frequency of replacing air purifier filters varies depending on factors such as the type of filter, usage, and air quality. Generally, pre-filters should be replaced every 3-6 months, while HEPA filters may require replacement every 1-3 years. Carbon filters typically last 6-12 months, but their lifespan can be affected by the extent of chemical and odor removal. However, these are general guidelines, and it is important to check the manufacturer's recommendations specific to your air purifier model. Regularly inspecting the filters is crucial; if they appear dirty or clogged, it is advisable to replace them earlier. Ensuring timely filter replacements helps maintain optimal performance and keeps the air purifier functioning effectively in purifying air in your environment.