HEPA filter


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HEPA filter

[′hep·ə ‚fil·tər]
(mechanical engineering)

HEPA filter

A high efficiency particulate absolute filter capable of trapping and retaining at least 99.9% of asbestos fibers greater than 0.3 microns in length.
References in periodicals archive ?
In an exclusive video interview with ConstructionWeekOnline , Al Abbar said HEPA filter services are particularly important in the healthcare sector.
Beyond having a HEPA filter, managers should be aware of two issues when considering an upright:
Even people who don't use woodstoves themselves may benefit from HEPA filters, Allen says.
After analyzing their data, the researchers found portable HEPA filters reduced the average concentrations of fine particulates inside homes by 60 pc and woodsmoke by 75 pc, and their use was associated with improved endothelial function (a 9.
Hence, the comparison in your article of a HEPA filter at 99.
An inverter with variable frequency drives was installed to examine the performance variation and energy-saving potential under different face velocity of HEPA filter.
This high specification is achieved by passing the air through a high efficiency HEPA filter with recirculating air giving an improved filtering effect.
The product's permanent HEPA filter never needs replacing--users simply vacuum to clean when the Filter Gauge light indicates the filter is dirty.
Life-Island Systems filter breathing air through a HEPA filter that is 99.
It also runs the incoming air through a HEPA filter to remove particulates.
For every 10,000 such particles that go into a HEPA filter, only 3 pass though, he said.
Some families may do just fine with a portable HEPA filter, which cleans larger particles, such as pollen and pet dander.