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Frigidaire FRA18EMU211 Filter
The unit filter has a main job of removing microscopic dust and other tiny bits from the air in the house. This helps keep the unit clean and make it work way more efficiently while cleaning the air you breathe. Because it is really easy to do, the filter should probably be simply replaced or simply cleaned a few times a year depending on how much you use it.
Major indications of a poorly performing main filter
- Sunlight does not show through a very dirty air filter
- Manufacturers have recommended to swap out your air filter every 90 days to assist in keeping the indoor air clean and fresh
- The air filter looks dirty and it would be a good idea to replace it soon
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