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Edited December 30, 2022
at 07:30 PM
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The Winix True HEPA + 4 Filter Activated Carbon Replacement Filter includes a True HEPA filter and 4 carbon pre-filters, helping to rid the air of dust, allergens and other particles
Use to replace worn out filters, Helps remove allergens and other airborne particles while absorbing odors and VOCs
Fits Winix air cleaner models C535,5300-2,6300-2,AM90,P300,5300,6300
Includes 4 carbon pre-filters for year-round use, Recommended replacement schedule of carbon pre-filter is once every 3 months. For optimal performance, it is recommended to change the True HEPA Filter once every 12 months
The true HEPA filter captures 99. 97% of particles and impurities as small as 0. 3 microns
$1.07 above lowest Amazon price which occurred in 2019
https://www.amazon.com/dp/B002QUZJAS -Now $38.29
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I can't tell a difference in performance, but at least in terms of perceived air quality, I don't notice any difference with the off-brand replacement.
https://www.amazon.com/gp/product/B09KM7XY59/
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Washing the filter with water only remove dust in the carbon filter but won't remove the VOC absorbed. Getting carbon wet will only ruin it. You can google to find out more how carbon air filter works. One of the google search result said it is possible to "reactivate" the carbon, but doing so requires heating the carbon back up to 900 degrees Celsius, etc..... when reactivated the carbon, all the impurities that were adsorbed are released. These impurities can become toxic at higher temperatures.....
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I'm pretty sure the red "replace filter" light is just on a timer. I don't think it has any way of knowing how clogged the filter is.
HEPA filters are not washable. You may be thinking of the pre-filter or carbon filter. There are washable dust filters, but they only trap larger particles like dust. They can't filter smaller particles like pollen, particles from air pollution, viruses, or bacteria. Washing a HEPA filter will not make it filter better. It will create microscopic holes in the filter, essentially turning it into a poor quality dust filter.
Here's more info on this, if you're curious, where washing them was tested:
https://smartairfilters
You'll pardon me if the word "genuine" in the title doesn't totally convince me.
Washing the filter with water only remove dust in the carbon filter but won't remove the VOC absorbed. Getting carbon wet will only ruin it. You can google to find out more how carbon air filter works. One of the google search result said it is possible to "reactivate" the carbon, but doing so requires heating the carbon back up to 900 degrees Celsius, etc..... when reactivated the carbon, all the impurities that were adsorbed are released. These impurities can become toxic at higher temperatures.....