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Holly HEPA Filters
Holly HEPA Filters
Holly HEPA Filters
Holly HEPA Filters
Holly HEPA Filters
Holly HEPA Filters
Holly HEPA Filters
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Holly HEPA Filters

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$ 4.00
Sale price
$ 4.00
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High-efficiency particulate air

HEPA filters require that they capture 99.97% of the 0.3-micron (0.000012-inch) particles in the air passing through the filter



3 Layers of Protection

Our HEPA filters are made of 3 layers of HEPA media for extra protection




They are Reusable!

These filters are reusable and unlike electrostatically-charged air filters, HEPA filters do not lose efficiency the dirtier they get


Sizing

The Adult Male size is 6''x4.5''
The Adult Female size is 5.25''x3.75''
The kid size is 4.5''x2.25''



Cloth face masks block only 10-20% of particles, but add several layers of a HEPA filter, and it will block 80-90%, approaching the rates of N95 masks.
- Research from Missouri S&T,
headed up by Yang Wang, Ph. D,
assistant professor of environmental engineering


While N95 masks used by medical professionals block 95% of particles 0.3 microns in size, HEPA filters capture 99.97% of particles that size
- U.S. Department of Energy standards


HEPA Filters are on par with N95 and surgical masks at filtering out 1.0 micron particles at 99%, and even outscoring surgical masks for 0.3 micron particles
- Open-data tests:  Smart Air