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Frigidaire FAS257S2A16 Filter
The unit 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 also filtering the air in your home. Due to the amount of dust in the house, it should be changed out or simply cleaned periodically in order to keep things clean.
Important clues of a defective air filter
- The unit air filter looks gross and the best thing to do would be to replace it as soon as humanly possible
- Many pros have advised to replace your air filter every 90 days to help keep the air fresh and make the unit run more efficient
- When you hold it up, the light will hardly show through a very dirty air filter
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