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Frigidaire FRA125CT13 Filter
The air filter has a main job of filtering minute dust particles and other particles from the air in the house. This filtering system will help keep the wall unit from building up too much dust and make it run more efficient while, at the same time, filtering the air breathe in and out everyday. Because of this, the filter should be swapped out for a new one or possible scrubbed clean at least twice a year if not more, depending on how much you use it.
Major clues your filter is failing
- The system filter looks dirty and probably should be replaced real soon
- Many pros have advised to switch out the air filter in your unit every three months for clean air inside the house
- Sunlight will not infiltrate to the opposite side of a clogged air filter
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