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Carrier 52SE Filter
The filter in the wall unit is there for removing microscopic dust and other miniscule particles as it passes through. The filter can both keep the unit clean and make it run much more efficient while cleaning the air you breathe. Due to the fact that this is an important part of the system, the air filter must be replaced or simply cleaned a few times a year depending on how much you use it.
How do you know when your air filter really needs to be replaced?
- If you hold it up to the light, it is unable to break through to the other side of a dirt-packed filter
- Many pros have suggested to replace the filter every season of the year to help clean the indoor air
- The air filter looks dusty and probably should be replaced right away
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