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Williams 3509612 Filter
A changeable air filter is the best line of defense when filtering tiny dust fragments and other small elements from the air in the house. This can both keep the unit clean and make it operate more efficient while also cleaning the air you breathe. Due to the fact that this is an important part of the system, this filter should really be changed out or simply cleaned at least twice a year if not more, depending on how much you use it.
Important signs the primary air filter has little life left
- If you place a light source behind it, the light will barely shine through to the other side of a dirt-packed filter
- The main filter looks dusty and the best thing to do would be to replace it without delay
- Professionals have advised to replace your air filter every 90 days to keep the house clean and less dusty
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