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Frigidaire FRA184MT21 Filter
The filter in the wall unit is the best line of defense when filtering out dust and other unwanted bits as it is being forced through the system. This helps make the unit cleaner and make it run way more efficiently while cleaning the air you breathe. Because of this, the filter should be replaced or possible scrubbed clean every so often depending on how much you use it.
Signs your Frigidaire air filter probably needs to be replaced
- The system air filter looks dirty and could be replaced as soon as you can
- Many pros have recommended to replace the filter every three months to help purify the air indoors
- When you hold it up, the light will hardly breach the other side of a dirty filter
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