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International Comfort Products NBF125J20A1 Air Filter
Filters come in many types and sizes, in which the one you choose will depend on your desire for cleaner air and air handler size requirements. Exact measurements of the filter is not a optional choice but rather a requirement of your furnace or handler. It is advised that the air filter is changed four times a year due to the filter clogging up and restricting the flow of air through the ducts.
Simple indications of a failing dust filter
- When you hold it up, the light will almost not show through a dirty filter
- It is recommended to replace your air filter about every three months to help prevent bacteria from spreading too much
- The filter looks gray or brown and should be replaced as soon as humanly possible
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