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International Comfort Products AHX3600A1 Air Filter
The main filter should filter bad things in the air and other fine particles from the air handler as well as the home. It is recommended the your furnace filter is replaced for a clean one every 90 days or so as to maintain good airflow through the ducts. The actual dimensions of the air filter can not be a optional choice but rather a requirement of your air handler.
How do you know when your main filter is almost bad?
- Sunlight does not permeate to the other side of a very dirty air filter
- The main filter looks gray or brown and replacing it would be best soon
- It is greatly advised to replace your air filter every season of the year in order to have clean air running through the unit
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