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Frigidaire FRA25EST21 Filter
The filter in the wall unit was designed for filtering minute dust particles and other unwanted bits from the inside air inside the home. This filtering system will help keep the wall unit from building up too much dust and make it work much more efficient while cleaning the air you breathe. While doing regular cleaning of the houseZZZcommmaZZZ the air filter must be changed out or cleaned a few times a year depending on how much you use it.
Simple signals your main filter needs to be replaced
- Light does not permeate to the other side of a completely clogged filter
- Manufacturers have advised to replace the filter every season of the year in order for the machine to run more efficient and to breathe easier inside
- Air filter appears dirty and stopped up very badly
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