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International Comfort Products NAC048GKA1 Air Filter
It is recommended that the air filter is replaced for a clean one four times a year due to the filter clogging up and restricting the flow of air through the ducts. The furnace filter may filter out contaminants and other particles from the air handler. Exact measurements of the whole house filter choice you make but rather a requirement of whoever designed your heating and cooling system.
Major clues the dust filter has little life left
- The main filter looks bad and it would be a good idea to replace it right away
- Many pros have recommended to replace the filter every 90 days to help keep the air fresh and make the unit run more efficient
- If you were to lift up the filter, the light will not breach the other side of a clogged air filter
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