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Frigidaire FAS25ER2A1 Filter
The filter in the wall unit has the basic duty of 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 more efficient while, at the same time, filtering the air you breathe. Because of this, the filter should probably be exchanged or simply cleaned a few times a year depending on how much you use it.
Main clues your Frigidaire air filter has very little life left
- Professionals have advised to switch out the air filter in your unit four times a year so as to have cleaner breathable air
- It looks like it is filled with dust and maybe should be replaced as soon as you can
- When you hold the filter up to the light, it will not permeate to the other side of the air filter
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