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LG LWHD1009R Filter
The filter in the wall unit is the best line of defense when filtering out dust and other tiny bits as it is being forced through the system. This filtering system will help make the unit cleaner and make it run a lot better at doing its job while, at the same time, filtering the air breathe in and out everyday. Due to the fact that this is an important part of the system, the air filter must be replaced or perhaps washed a few times a year depending on how much you use it.
Easy warnings of a weakening filter
- It looks dirty and probably should be replaced without delay
- Many pros have advised to replace your air filter about every 90 days in order to keep the air free from too much dust
- Light will barely permeate to the other side of the filter at all
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