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Frigidaire FAS257S2AB Filter
The filter in the wall unit is there for filtering tiny dust fragments and other miniscule particles from the inside air inside the home. This simple filter can help keep the wall unit from building up too much dust and make it work more efficient while, at the same time, filtering the air you breathe in your house. During regular maintenance the unit filter must be changed out or simply cleaned at least twice a year if not more, depending on how much you use it.
Major warnings your Frigidaire air filter is in dire need of a replacement
- The air filter looks brown and should be replaced immediately
- Manufacturers have suggested to replace your air filter about every three months so as to have cleaner breathable air
- When you hold it up, the light is unable to infiltrate to the opposite side of a completely clogged filter
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