Pre Filters are Important
The pre filter is the first step in producing the highest grade of clean air in LakeAir commercial models. These filters are cleanable but due to the environment in which they are often used its not uncommon to need to replace them. These pre filters do a great job in knocking down larger particles therefore allowing your system to run at peak efficiency. Large particles can damage an electrostatic cell, so it is very important to keep a good flow of air to your filtering system.
Once a Year
A rule of thumb is to replace your pre filter annually. If the environment you are in is relatively clean you can sometimes get away with washing the pre filter. Inspection should be done at least every 6 months. You should inspect your pre filter more often if your LakeAir Air Purifier is in a more heavily polluted area.
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