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Frigidaire CRA052XT722 Filter
The filter in the wall unit is good at filtering out dust and other miniscule particles as it passes through. This helps help keep the wall unit from building up too much dust and make it work much more efficient while also cleaning the air breathe in and out everyday. Because it is really easy to do, the air filter must be simply replaced or perhaps washed at least twice a year if not more, in order to keep things clean.
Some warnings to watch for in a failing primary air filter
- The unit air filter looks brown and should be replaced ASAP
- If you were to lift up the filter, the light will hardly breach the other side of a clogged air filter
- Manufacturers have recommended to switch out the air filter in your unit every 90 days to keep the air inside clean and free of harmful dust
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