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International Comfort Products NDN3075HFA1 Air Filter
It is recommended that the filter that filters out particles from your home is replaced for a clean one every 90 days or so as to maintain good airflow through the ducts. The actual size of the air filter can not be a choice that needs to be made because of the constraint of your HVAC blower system. Filters are available in many styles and sizings, which all depends on your personal demands for clean air and air handler requirements.
Simple indications of an inadequate filter
- The main air filter appears dirty and stuffed with dirt very badly
- Many pros have recommended to replace the filter four times a year to assist in keeping the indoor air clean and fresh
- When you hold it up, the light will barely breach the other side of the dirt filled filter
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