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Frigidaire CRA226ST212 Filter
The filter in the wall unit is designed to be good at removing microscopic dust and other tiny bits as it passes through. This filtering system will help keep the wall unit from building up too much dust and make it operate way more efficiently while also cleaning the dust out of the air you breathe all day. Due to the amount of dust in the house, it should be exchanged or cleaned a few times a year depending on how much you use it.
Signs of an unhealthy filter
- It is advised to replace your air filter every 90 days to help purify the air indoors
- If you were to lift up the filter, the light cannot infiltrate to the opposite side of the filter
- The system air filter looks brown and must be replaced immediately
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