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International Comfort Products PGME Air Filter
The main filter should filter a lot of contaminants and other fine particles from the furnace. The size of the filter is not really a optional choice because it is based on the declared size of your HVAC blower system. It is suggested the your furnace filter is replaced for a clean one every 3 months to maintain the best air quality through the ducts.
How do you know when your air filter is not well?
- When you face it toward a light, the light will not break through to the other side of a very dirty air filter
- Air filter appears filthy and packed with dust badly
- Manufacturers have suggested to replace the filter about every 90 days to help keep the air fresh and make the unit run more efficient
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