A hepa filter is a high efficiency particulate air filter designed to remove 99 97 percent of all particles that are 0 3 microns in size that pass through it.
High efficiency particulate air hepa vacuum.
Hepa high efficiency particulate air vacuums breathe fresher air and cut cleaning time with a hepa filter.
A true hepa filter removes 99 97 of all particles that are 0 3 microns in size or larger.
A true hepa filter can trap 99 97 of all airborne particles larger than 0 3 microns 0 001 mm or about 0 000039 in.
Common standards require that a hepa air filter must remove from the air that passes through at least 99 95 or 99 97 of particles whose diameter is equal to 0 3 μm.
Filters meeting the hepa standard must satisfy certain levels of efficiency.
High efficiency particulate air also known as high efficiency particulate absorbing and high efficiency particulate arrestance is an efficiency standard of air filter.
Hepa vacuums are also recommended for cleaning up dust that has settled outside the remediation area.
With the filtration efficiency increasing for particle diameters both less.
What is a hepa filter hepa is an acronym that stands for high efficiency particulate air.
That means cleaner air and a cleaner workplace.
Hepa filters are 99 97 effective at keeping fine dust particles from entering the air.
High efficiency particulate air hepa vacuums are recommended for the final clean up of remediation areas after materials have been thoroughly dried and contaminated materials have been removed.
Government s department of energy and was developed for use in nuclear facilities in the 1940s.
The hepa standard is set by the u s.
High efficiency particulate air hepa filters for vacuum cleaning equipment we have recently received inquiries regarding cold dop dioctyl or di 2 ethylhexyl phthalate aerosol generated at ambient temperature and whether it can be used to test vacuum cleaner hepa filters to meet the requirements as specified in the osha asbestos standards 29 cfr 1910 1001 and 29 cfr 1926 1101.
Vacuums with a hepa high efficiency particulate air filter are less likely to push allergens back into the room dr.
Where a vacuum without this type of filtration is unable to trap those tiny particles and they end up spewed back into the air a hepa rate vacuum keeps them all inside.