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Fujitsu ASU30CLX1 Air Filter
Professionals in the industry advise that the filter is exchanged for a new one every 90 days or so to maintain the best air quality through the ducts. Air Filters come in many filtering types which all depends on your personal demands for clean air and whether anyone suffers from allergies in the home. Exact measurements of the filter is not really a personal choice because of the constraint of your furnace or handler.
Hints to watch for in a failing main filter
- Sunlight is unable to infiltrate to the opposite side of the dirt filled filter
- It is recommended to swap out your air filter every three months to help purify the air indoors
- The air filter looks gross and it would be best to replace it now
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