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LG LP120HED1 Filter
The filter in the wall unit has a main job of removing microscopic dust and other unwanted bits as it is being forced through the system. This filtering system will help keep the unit dust-free and make it run more efficient while, at the same time, filtering the air you breathe in your house. Due to the amount of dust in the house, the filter should be swapped out for a new one or cleaned periodically depending on how much you use it.
Major indications the primary air filter is in need of replacing
- Professionals have suggested to swap out your air filter every three months to keep the air fresh for the family
- The system filter looks gross and it would be a good idea to replace it ASAP
- When you hold the filter up to the light, it is unable to break through to the other side of the filter
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