A medium efficiency filter is a type of air or liquid filter that is designed to remove a moderate level of particulate contaminants from a fluid stream. These filters are typically used in applications where a higher level of filtration efficiency is required compared to primary filters, but not as high as what is achieved with high-efficiency filters.
Medium efficiency filters are commonly categorized based on their ability to capture and retain particles of specific sizes, typically expressed in micrometers (μm) or microns. The specific efficiency rating of a medium efficiency filter will depend on the industry standards or classification systems used. For example, in the HVAC (Heating, Ventilation, and Air Conditioning) industry, medium efficiency filters are often rated using the MERV (Minimum Efficiency Reporting Value) system, which ranges from MERV 1 to MERV 16.Medium efficiency filters are available in various configurations, such as panel filters, pleated filters, bag filters, or cartridge filters, depending on the application and system requirements. They are commonly made of materials such as fiberglass, synthetic fibers, or a combination of both.

These filters are effective in capturing a range of particulate matter, including dust, pollen, mold spores, pet dander, and larger airborne particles. They are commonly used in applications such as residential and commercial HVAC systems, cleanrooms, industrial processes, and air purifiers.
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Cleaning Methods for High-efficiency Filters1.According to the manual, take off the high efficiency filters screen, and when removing it, be careful not to touch the metal part of the indoor unit to prevent it from being scratched.2.When the dust on the filter is too much, it can be washed with water or soft brush dipped in neutral detergent, but the water temperature should not exceed 45℃, and no washing powder, detergent, gasoline or banana water should be used to avoid deforming the filter. In addition, do not use sponge to clean, otherwise it will damage the surface of the high efficiency filter.3. Clean the high-efficiency filter with water and dry it with a soft cloth or put it in a cool place to dry, never dry it in the sun or in an open fire, so as not to deform the high-efficiency filter.4. When cleaning the high efficiency filter panel, use a soft cloth dipped in warm water or neutral detergent to gently wipe, and then dry with a dry soft cloth.
The cleaning of the high efficiency filters can not only improve the performance of the air conditioner, but also the air we breathe will be cleaner after going out the bacteria and dust.