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Frigidaire FAM157S1A11 Filter
The filter in the wall unit is there for removing microscopic dust and other tiny bits as it is being forced through the system. This simple filter can keep the unit clean and make it work a lot better at doing its job while, at the same time, filtering the air in your home. During regular maintenance the air filter must be changed out or perhaps washed periodically in order to keep things clean.
Simple indications of an ailing filter
- Manufacturers have suggested to switch out the air filter in your unit every three months to keep the unit running efficiently
- The unit air filter looks very bad and the best thing to do would be to replace it real soon
- Light is unable to show through the dirt filled filter
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