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Frigidaire CRA226ST211 Filter
The filter has a main job of removing microscopic dust and other particles from the air in the house. This filtering system will help keep the unit dust-free and help it be way more efficiently while also filtering the air you breathe in your house. Because of the nature of filtering air, it should be exchanged or cleaned a few times a year in order to keep things clean.
Simple warnings that your primary air filter is not working right?
- If you place a light source behind it, the light will almost not shine through a completely clogged filter
- Manufacturers have suggested to switch out the air filter in your unit about every three months in order to have clean air in the home
- Air filter looks filthy and stopped up very badly
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