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International Comfort Products PGC036K100A Air Filter
Professionals in the industry advise the your furnace filter is changed every 90 days or so for optimal air quality through the ducts. All air filters come in many types and sizes, depending on your air quality needs and air handler size requirements. Measurements of the air filter can not be a personal choice due to the requirement of whoever designed your heating and cooling system.
Simple indications of a weakening primary air filter
- It is highly recommended to swap out your air filter four times a year in order to have clean air running through the unit
- The filter looks dirty and it would be a good idea to replace it today
- When you hold it up, the light will hardly permeate to the other side of a very dirty air filter
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