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Williams 4007731 Filter
The air filter is there for filtering minute dust particles and other particles from the inside air inside the home. This simple filter can help keep the wall unit from building up too much dust and make it work more efficient while, at the same time, filtering the air in your home. While doing regular cleaning of the houseZZZcommmaZZZ the filter should be swapped out for a new one or possible scrubbed clean a few times a year depending on how much you use it.
What are the signs that the filter is about to stop working?
- It is highly recommended to switch out the air filter in your unit about every 90 days in order to keep the air free from too much dust
- If you hold it up to the light, it will barely shine on the opposite side of a dirty filter
- Air filter appears filthy and stopped up very badly
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Before you decide on buying or ordering a replacement filter for your Williams 4007731, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the right filter is being ordered. Installation of a new filter can be quite easy provided you have the time and have the tools to do it right.
Feel free to download your manual for help.
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