High Efficiency Particulate Air Filter Mask
But what does that really mean and how do they work.
High efficiency particulate air filter mask. In 1955 fire retardant hepa filters were developed for the atomic energy commission. 9100 v 1 evabat1 1 evabat2 1 full face piece mfg. Hepa stands for high efficiency particulate air and is a filtration rating that captures microbes dust and particulates down to 0 3 micron. Certification requirements for all other classes of respirators e g chemical cartridges self contained breathing apparatus scba airlines gas masks without a particulate filter powered air purifying respirators paprs equipped with high efficiency particulate air hepa filters etc have been transferred to part 84 without change.
Compatible with all 3m speedglas filters mfg. Model number or part number. The approval holder s respirator model number or part number represented by a series of numbers or alphanumeric markings e g 8577 or 8577a. Department of energy first termed hepa as a filtering specification for suppliers of filtration products based on how effective they were at.
Filters meeting the hepa standard must satisfy certain levels of efficiency. Authors k a adal 1. High efficiency particulate air filter. 10031340 1 high efficiency particulate filter only 2 honeywell north pa800 welding kit 1 honeywell north ru6500 full face pieces 3 hoods sr 200 1 m series helmets 3.
The use of high efficiency particulate air filter respirators to protect hospital workers from tuberculosis. Battery powered blower filters air through attached and replaceable filter cartridge or canister fitted with high efficiency particulate air hepa filter considered to be as efficient as p 100 filters 99 97 of particles efficiencies usually exceed those of ehfrs or n95s. High efficiency particulate air hepa also known as high efficiency particulate absorbing and high efficiency particulate arrestance is an efficiency standard of air filter. Niosh filter series and filter efficiency level e g n95 n99 n100 r95 p95 p99 p100.
Common standards require that a hepa air filter must remove from the air that passes through at least 99 95 european standard or 99 97. With the development of atomic energy they were seen to be of value. Vogmask the premier filtering face mask for protection from particles offers high efficiency particulate filter active carbon and exhale valve in the industry leading stylish and efficient particle mask. 100 usa made hepa h 11 replaceable face mask filters breathing insert protective mouth mask filter for men woman anti pollution american made superior to pm2 5 filters 4 7 out of 5 stars 20 24 98 24.
10051286 1 full face piece respirators mfr.