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Williams 3501521 Filter
The air filter is the best line of defense when filtering tiny dust fragments and other unwanted bits as it is being forced through the system. This filtering system will help protect the unit and make it work way more efficiently while cleaning the air you breathe in your house. While doing regular cleaning of the houseZZZcommmaZZZ it should be changed out or possible scrubbed clean at least twice a year if not more, depending on how much you use it.
Some clues your Williams air filter should be replaced
- Manufacturers have recommended to replace your air filter four times a year to keep the air fresh for the family
- The main filter looks gray or brown and perhaps should be replaced as soon as you can
- When you face it toward a light, the light will hardly shine through to the other side of the air filter
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Before buying or purchasing any Williams 3501521 replacement part do your best and double check the model number as well as make a visual comparison in order to be sure the correct replacement filter is the one being purchased. If you are unsure about the correct way of installing the filter by yourself then it is probably best to find a professional in your area to do the work for you.
Feel free to download your manual for help.
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