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What is a Hazardous Dust Vacuum?

A hazardous dust vacuum is a must-have for any industrial setting where there is a risk of exposure to dangerous dusts. These powerful vacuums, usually have a classification of L-class, M-class or H-class, are designed to safely collect and contain hazardous dusts, preventing them from being released into the air and protecting workers from their harmful effects. Equipped with advanced HEPA filters, hazardous dust vacuums are non negotiable when dealing with life threatening dusts and many times are strictly enforced by OHS & safety standards.

H-Class Vacuum Vs HEPA

HEPA and H-Class, while similar, are not the same. HEPA, as mentioned earlier, stands for “high-efficiency particulate air.” These filters are designed to capture very small particles, such as dust, pollen, and pet dander, that other air filtration systems might not be able to remove. To be classified as a HEPA filter, a filter must be able to capture at least 99.99%% of particles that are 0.3 microns in size.

Whereas H-class filters, are a classification of air filters used in industrial settings. These filters are typically used to filter hazardous dusts such as Asbestos & Silica, dusts contaminated with carcinogens or pathogens and more. H-class vacuums or industrial vacuums are usually required by OHS standards in warehouses & workspaces.

What is a HEPA filter or HEPA Vacuum?

HEPA filters are high-efficiency air filters that are commonly used in vacuum cleaners. The acronym HEPA stands for “high-efficiency particulate air.” These filters are designed to trap very small particles, such as dust, pollen, and pet dander, that other vacuum cleaners might not be able to capture. When a vacuum cleaner is equipped with a HEPA filter, it can effectively remove these small particles from the air, helping to improve air quality in your home and reduce allergy and asthma symptoms.

Most vacuum cleaners only capture particles down to about 10 microns in size, but HEPA filters can trap particles as small as 0.3 microns!

What Is The Difference Between L/M/H Class Vacuums?

L-class vacuums are for removing dusts with workplace exposure standard >1mg/m3, commonly used in woodworking or general warehouse settings.

M-class vacuums are for removing dusts with workplace exposure standard >=0.1mg/m3, commonly used for construction or wood dusts.

H-class vacuums are for removing dusts with workplace exposure standard <0.1mg/m3, commonly used for construction, demolition and much more harmful dust particles.

For detailed information, check out our article on dust extraction classes here