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Fujitsu AOU18CL Air Filter
It is advised that the air filter is exchanged for a new one four times a year due to the filter clogging up and restricting the flow of air in the home. All air filters come in many filtering types which depends on your particular choice for how clean you want the air and air handler size requirements. The dimensions of the main system air filter choice of options because it is based on the declared size of your system.
Signals of a declining main filter
- It looks dirty and maybe should be replaced now
- If you hold it up to the light, it is unable to show on the other side the filter at all
- Professionals have recommended to switch out the air filter in your unit every season of the year in order to have cleaner breathable air inside
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