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Carrier 38TZA042 Air Filter
The furnace filter may filter out some allergens and other particles from the furnace. It is recommended that the filter that filters out particles from your home is exchanged for a new one every 3 months because the filter can get clogged and may result in poor air flow throughout the home. The size of the filter is not really a choice that needs to be made but rather a requirement of your system.
Major clues of an ailing filter
- The main filter looks bad and must be replaced ASAP
- It is highly suggested to switch out the air filter in your unit four times a year to help prevent mold and bacteria build-up
- With a light behind the air filter, the light will almost not penetrate through a dirty filter
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