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Williams 2001622 Filter
A changeable air filter has the main responsibility for filtering tiny dust fragments and other miniscule particles as it passes through. The filter can both help keep the wall unit from building up too much dust and make it work a lot better at doing its job while, at the same time, filtering the air in your home. During regular maintenance this filter should really be changed out or simply cleaned every so often depending on how much you use it.
Red flags the air filter is failing
- With a light behind the air filter, the light does not infiltrate to the opposite side of the dirt filled filter
- The system filter looks dirty and should be replaced as soon as you can
- It is highly recommended to swap out your air filter every three months to keep the air inside clean and free of harmful dust
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