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Carrier 58STA11010012 Air Filter
It is highly recommended that the filter is replaced for a clean one every 90 days or so because the filter can get clogged and may result in poor air flow inside the house. The size of the filter is not really a choice of options due to the constraint of the availability of room of your air handler. All air filters come in many filtering levels, in which the one you choose will depend on your choice for how clean you want the air and the specific size of filter you need for your system.
Indications of an inadequate main filter
- The system filter looks dirty and probably should be replaced ASAP
- Professionals have suggested to replace your air filter every season of the year to keep the air inside clean and free of harmful dust
- If you lift the air filter up to a source of bright light, the light will almost not penetrate through a completely clogged filter
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