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Frigidaire LRA187MT213 Filter
The filter in the wall unit was designed for trapping really small dust parts and other tiny particles as it is being forced through the system. This helps keep the unit dust-free and make it operate much more efficient while, at the same time, filtering the air you breathe. During regular maintenance the filter should be replaced or cleaned every so often depending on how much you use it.
Important signs your main filter needs replacing
- The system filter looks very bad and should be replaced right now
- With a light behind the air filter, the light will almost not breach the other side of the air filter
- Professionals have suggested to replace your air filter every 90 days for clean air inside the house
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