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LG LAN121HNM Filter
A changeable air filter is good at filtering minute dust particles and other tiny particles as it is being forced through the system. The filter can both protect the unit and make it run much more efficient while also filtering the dust out of the air you breathe all day. Because it is really easy to do, the filter should be swapped out for a new one or possible scrubbed clean a few times a year depending on how much you use it.
Simple signals your filter is on its last leg
- It looks bad and should be replaced ASAP
- Sunlight is unable to shine through to the other side of a dirt-packed filter
- Manufacturers have recommended to replace your air filter four times a year to help clean the indoor air
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