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Frigidaire FAX052P7A6 Filter
The filter in the wall unit has the main responsibility for removing microscopic dust and other tiny bits as it passes through. This simple filter can keep the unit clean and make it operate way more efficiently while, at the same time, filtering the dust out of the air you breathe all day. Because it is really easy to do, the filter should probably be simply replaced or possible scrubbed clean every so often depending on how much you use it.
Clues of a failing main filter
- Manufacturers have recommended to replace the filter every 90 days for clean air inside the house
- If you hold it up to the light, it cannot break through to the other side of a dirt-packed filter
- The main filter looks gray or brown and should be replaced real soon
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