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Carrier 52F Air Filter
The filter can filter out a lot of contaminants and other fine particles from the air handler. It is advised the your furnace filter is replaced for a clean one four times a year to maintain the best air quality through the ducts. Exact measurements of the main system air filter choice of options but rather a requirement of your HVAC blower system.
Red flags the dust filter should be replaced
- When you hold the filter up to the light, it does not shine on the opposite side of a very dirty air filter
- Many pros have suggested to replace your air filter about every 90 days to help keep the air fresh and make the unit run more efficient
- The unit air filter looks dirty and perhaps should be replaced today
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