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Frigidaire FRA186MT213 Filter
The filter in the wall unit was created for filtering tiny dust fragments and other unwanted bits as it is being forced through the system. The filter can both help keep the wall unit from building up too much dust and help it be a lot better at doing its job while also filtering the air you breathe in your house. Because of this, the filter should probably be swapped out for a new one or possible scrubbed clean periodically in order to keep things clean.
Some warnings to an under performing main filter
- The filter looks gross and replacing it would be best as soon as you can
- It is highly advised to replace your air filter about every three months to help clean the indoor air
- If you hold it up to the light, it cannot permeate to the other side of a dirt-packed filter
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