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LG LSN122HE Filter
The filter in the wall unit is designed to be good at filtering minute dust particles and other tiny bits from the air in the house. This can both help keep the wall unit from building up too much dust and make it run much more efficient while, at the same time, filtering the dust out of the air you breathe all day. Because of the nature of filtering air, this filter should really be exchanged or perhaps cleaned thoroughly at least twice a year if not more, depending on how much you use it.
Major symptoms the primary air filter has very little life left
- It looks brown and it would be best to replace it without delay
- It is suggested to switch out the air filter in your unit about every three months to keep the house clean and less dusty
- When you hold it up, the light will almost not show on the other side a clogged air filter
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