“How often do I need to replace the filter for maximum benefit?”

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• 5 to 6 months

  Answered by Steveq 5 years ago

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• When the light on the button turns red.

  Answered by Publius 5 years ago

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• The answer depends on usage. In my shop office with three analysts, the unit is running non-stop except on weekends so every two months is about right. I have the same unit at home and use it only a couple of hours each day so every six months is about right there. This product is great because you can easily move the pre-filter sleeve to see how clean/white the primary filter is then decide. Hand wash the pre-filter sleeve every other week for better longevity of the filter.

  Answered by ShopManager 5 years ago

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