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Carrier 52S Filter
The air filter is the best line of defense when filtering out dust and other unwanted bits as it passes through. This helps keep the unit clean and make it work more efficient while, at the same time, filtering the air in your home. Because it is really easy to do, it should be simply replaced or perhaps cleaned thoroughly every so often depending on how much you use it.
Some clues the primary air filter will soon need to be replaced
- When you hold it up, the light cannot shine through to the other side of a very dirty air filter
- The main filter looks dirty and replacing it would be best now
- Many pros have recommended to swap out your air filter every season of the year for clean air inside the house
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