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Frigidaire CRA050XT746 Filter
The filter in the wall unit is designed to be good at filtering minute dust particles and other particles as it passes through. This can both help keep the wall unit from building up too much dust and make it operate more efficient while, at the same time, filtering the dust out of the air you breathe all day. Due to the fact that this is an important part of the system, the unit filter must be changed out or possible scrubbed clean at least twice a year if not more, depending on how much you use it.
Chief elements of a deteriorating filter
- The filter looks dirty and must be replaced ASAP
- Professionals have advised to replace the filter about every 90 days to help keep the air fresh and make the unit run more efficient
- When you face it toward a light, the light is unable to show on the other side a completely clogged filter
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