4L Deep Fryer,Household Electric Deep Fryer,Extra Filter 4.5L Electric Deep Fryer,Timer Control Electric Deep Fryer Shaoxing Haoda Electrical Appliance Co.,Ltd , https://www.hotplates.nlHome Appliances China Information Network News: Recently I saw a report, the content of the theme is roughly over 30% of users do not know that the purifier filter needs to be replaced regularly, if not used for a long time, it will cause secondary pollution, harm users and their families health. In response to this use of blind spots, today, we will analyze the filter screen in the air purifier, as well as the use and replacement of the filter.