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Comfort Aire RAD-81A Filter
The filter is the best line of defense when trapping really small dust parts and other tiny bits from the inside air inside the home. This filtering system will help protect the unit and make it operate way more efficiently while, at the same time, filtering the air you breathe. Because of the nature of filtering air, it should be changed out or perhaps cleaned thoroughly at least twice a year if not more, in order to keep things clean.
Indications of an ineffective filter
- The filter looks dusty and the best thing to do would be to replace it right away
- Many pros have suggested to swap out your air filter about every 90 days to help prevent bacteria from spreading too much
- When you hold it up, the light will not show through a very dirty air filter
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