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Frigidaire FRA155MT113 Filter
The air filter is good at removing small dust molecules and other particles from the inside air inside the home. This can both help keep the wall unit from building up too much dust and make it run a lot better at doing its job while, at the same time, filtering the dust out of the air you breathe all day. Because of the nature of filtering air, the filter should probably be simply replaced or perhaps washed at least twice a year if not more, depending on how much you use it.
Signs of an inadequate primary air filter
- With a light behind the air filter, the light cannot permeate to the other side of the filter
- The main filter looks bad and should be replaced as soon as humanly possible
- It is highly advised to replace the filter about every 90 days to keep the house clean and less dusty
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