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LG LW1800PRZ3 Filter
The filter is responsible for filtering tiny dust fragments and other particles as it is being forced through the system. This can both help keep the wall unit from building up too much dust and help it be way more efficiently while cleaning the air you breathe. Due to the amount of dust in the house, this filter should really be simply replaced or simply cleaned every so often depending on how much you use it.
How do you know when your primary air filter is not well?
- The unit air filter looks gray or brown and perhaps should be replaced as soon as humanly possible
- If you were to lift up the filter, the light will barely show through a dirty filter
- It is greatly recommended to replace the filter about every 90 days to help purify the air indoors
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