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Carrier 39LB Air Filter
The main filter may filter out dust and other particles from the furnace. It is suggested that the filter that filters out particles from your home is swapped out every 3 months so as to maintain good airflow throughout the home. The actual size of the whole house filter choice that needs to be made but rather a requirement of whoever designed your heating and cooling system.
Key clues of a defective air filter
- Light cannot penetrate through the filter at all
- It is greatly recommended to replace your air filter every 90 days to keep the house clean and less dusty
- It looks dirty and replacing it would be best before tomorrow
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Before you decide on buying or purchasing any Carrier 39LB part do your best and cross-check the correct model as well as make a visual comparison so that you are positive that the correct replacement air filter is the one being purchased. Safety is always important when replacing parts in an HVAC environment. If you are not sure what to do then call a pro. Stay safe.
Feel free to download your manual for help.
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