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Carrier 58STA09010016 Air Filter
It is advised that the air filter is swapped out every 90 days or so due to the filter clogging up and restricting the flow of air inside the house. The furnace filter can filter out some allergens and other fine particles from the air inside the house. The size of the whole house filter choice that needs to be made because it is based on the declared size of your furnace or handler.
Some clues of a weak main filter
- Professionals have advised to replace the filter four times a year to help prevent bacteria from spreading too much
- If you place a light source behind it, the light will almost not infiltrate to the opposite side of a clogged air filter
- The system air filter looks dirty and could be replaced soon
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