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LG LT103HNR Filter
The unit filter is designed to be good at filtering tiny dust fragments and other tiny bits from the air in the house. This can both make the unit cleaner and help it be more efficient while, at the same time, filtering the dust out of the air you breathe all day. Due to the fact that this is an important part of the system, the unit filter must be simply replaced or cleaned every so often in order to keep things clean.
Simple signals your main filter will need to be replaced
- If you lift the air filter up to a source of bright light, the light will barely shine through to the other side of a clogged air filter
- The main air filter looks dirty and packed with dust very badly
- Professionals have suggested to replace your air filter every 90 days in order to have cleaner breathable air inside
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