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Williams 1773512 Filter
The filter in the wall unit has a main job of filtering out dust and other small elements as it passes through. This helps keep the unit dust-free and make it operate a lot better at doing its job while cleaning the air in your home. During regular maintenance it should be exchanged or perhaps washed a few times a year in order to keep things clean.
Some clues of a deteriorating dust filter
- The air filter looks dusty and the best thing to do would be to replace it as soon as you can
- Professionals have suggested to swap out your air filter every 90 days to help prevent bacteria from spreading too much
- Light will hardly permeate to the other side of the dirt filled filter
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