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LG LP0910WNR Air Filter
It is advised that the filter is swapped out every 90 days or so as to maintain good airflow through the ducts. Filters come in many types and sizes, depending on your desire for cleaner air and air handler size requirements. The actual dimensions of the whole house filter personal choice because of the constraint of your HVAC blower system.
Major warnings to watch for in a failing main filter
- The main filter looks gray or brown and it would be best to replace it as soon as you can
- With a light behind the air filter, the light does not shine through the filter
- Professionals have suggested to replace your air filter about every 90 days to help purify the air indoors
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