When should you change your air filter once?
1. With coarse filter
This filter is ranked first in the air filter system, made of plastic or metal to help filter out coarse and large impurities in the air such as hair, large dirt, fabric fibers, fibers. Cotton… The coarse filter is durable, usually not damaged during use.
2. With intermediate filters
Activated carbon filter: Constructed from Carbon to help remove harmful and unpleasant odors in the air such as dog and cat odors, cigarettes… After a period of use, this filter cannot absorb more odors and toxins, so it needs to be replaced. position. You should replace the activated carbon filter every 1-2 years depending on the manufacturer.
Pollen filter: Helps reduce pollen allergens, retains pollen at the filter, only in high-end air purifiers. This filter life is from 6-12 months depending on how much time you use the air purifier.
Titanium filter: Has a deodorizing function, but is rarely used in air purifiers.
Water filter: Equipped on air purifiers with humidification function, mounted in the water tank or in front of the exhaust fan. When the humidifier, the water added from the outside will go through the water filter membrane, ensuring the amount of steam sprayed out into a pure and clean environment. You should replace the water filter about every 2 years.
3. With fine filter (Hepa filter)
This filter has the effect of filtering out all kinds of dirt, bacteria, viruses with a size of only about 0.3 microns that cannot be seen by the naked eye, with a cleaning efficiency of up to 99.97%. The lifespan of the HEPA filter is usually 3-10 years, depending on the manufacturer of the air purifier and the pollution level of the environment used.
Hopefully the knowledge that eLib provides above will help you determine when to change the filter for your air purifier!