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Frigidaire FRA123BU110 Filter
The filter in the wall unit is there for removing small dust molecules and other particles from the air in the house. This filtering system will help keep the unit dust-free and help it be much more efficient while also filtering the dust out of the air you breathe all day. During regular maintenance the filter should probably be simply replaced or possible scrubbed clean a few times a year in order to keep things clean.
Major warnings your Frigidaire air filter probably needs to be replaced
- Manufacturers have suggested to replace the filter every 90 days to assist in keeping the indoor air clean and fresh
- When you face it toward a light, the light will almost not shine through to the other side of a dirt-packed filter
- The unit air filter looks brown and it would be a good idea to replace it soon
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