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Frigidaire FAQ055S7A11 Filter
The filter in the wall unit is good at removing small dust molecules and other miniscule particles from the inside air inside the home. This helps keep the unit dust-free and help it be a lot better at doing its job while cleaning the air you breathe. During regular maintenance the unit filter must be replaced or cleaned a few times a year in order to keep things clean.
General warnings of a failing main filter
- The air filter looks gray or brown and it would be best to replace it right now
- Many pros have recommended to replace your air filter four times a year for to keep the air inside the house cleaner
- When you hold the filter up to the light, it is unable to show through the filter at all
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