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Frigidaire FAS25ER2A13 Filter
The filter in the wall unit has the basic duty of filtering out dust and other small elements 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 also filtering the air in your home. Because it is really easy to do, the filter should be changed out or cleaned at least twice a year if not more, depending on how much you use it.
Signals of an ineffective dust filter
- When you hold it up, the light will hardly infiltrate to the opposite side of the air filter
- Many pros have suggested to replace your air filter every 90 days to keep the air fresh for the family
- The system air filter looks dirty and maybe should be replaced ASAP
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