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Frigidaire FRA052XT74 Filter
The filter in the wall unit was designed for trapping really small dust parts and other small elements from the inside air inside the home. This helps make the unit cleaner and make it operate more efficient while, at the same time, filtering the air breathe in and out everyday. Because of the nature of filtering air, the filter should be changed out or perhaps washed periodically in order to keep things clean.
Subtle hints your filter is failing
- The filter looks gross and it would be a good idea to replace it right away
- If you hold it up to the light, it does not shine through a dirty filter
- It is highly recommended to replace the filter every three months to help keep the air fresh and make the unit run more efficient
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