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Williams 3501922 Filter
The unit filter is designed to be good at trapping really small dust parts and other small elements as it passes through. The filter can both make the unit cleaner and make it run way more efficiently while also cleaning the air you breathe. Because of this, the unit filter must be exchanged or perhaps washed a few times a year in order to keep things clean.
Signals the air filter is failing
- Manufacturers have recommended to switch out the air filter in your unit four times a year in order to have cleaner breathable air inside
- Light will hardly show through a very dirty air filter
- The main filter looks dusty and it would be a good idea to replace it now
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