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LG LWHD1200R Filter
The air filter was designed for filtering out dust and other tiny particles as it is being forced through the system. This filtering system will help protect the unit and make it run a lot better at doing its job while also cleaning the air breathe in and out everyday. Because of the nature of filtering air, the filter should probably be swapped out for a new one or perhaps cleaned thoroughly a few times a year in order to keep things clean.
Major indications of a barely functioning primary air filter
- Many pros have advised to replace the filter every 90 days to help keep the air fresh and make the unit run more efficient
- If you place a light source behind it, the light will hardly show through a very dirty air filter
- The system filter looks gross and must be replaced now
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