Hepa vacuum cleaners are known throughout the industrial world for their excellent performance in cleaning up commercial sites.
If you are in a situation where it is necessary to clean up things such as asbestos, lead, chemicals or other dangerous products this is the type of vacuum you need.
An ordinary vacuum cleaner is not a sealed unit.
In other words, when dust and debris is picked up off a floor, carpet or other location it goes into a paper bag through a 'forced air' principle.
This bag is not not sealed in and allows small particles of dust, from the vacuum, to go into the air, which you breath.
In an ordinary household situation, this is not a problem, however where there is industrial waste it could be very dangerous to your health.
This commercial cleaner is completely sealed throughout, thus keeping any harmful vapors confined.
In addition, with the smaller unit, all the chemicals or other debris goes into a plastic bag which can be sealed and properly disposed of.
This is in keeping with the current efforts to keep harmful fumes from the atmosphere and harmful wastes going into landfills.
As a rule these units are used on commercial sites and have a huge hose and holding tank where the debris, that is picked up, is deposited.
This keeps health threatening things such as chemical vapors, lead and other dangerous substances contained.
The vacuum contain both a sealed-in air filter and a sealed cleaner case to prevent this from happening.
One place where you might bring this type of vacuum cleaner into play is if you were in some kind of a situation where there is excessive mold.
Mold can be very dangerous to your health and usually can be taken care of by using simple clean up methods.
However, in a situation such as a flood, where the mold invades the entire house, these vacuums are sometimes used.
At no time should you try to clean up this kind of a problem with an ordinary vacuum.
For commercial use, especially with chemical spills, asbestos removal, and cleaning other contaminated areas there is no better equipment to use than hepa vacuum cleaners.
They are built especially for this use and pass all Federal and State Safety Requirements.
You will find they come complete with safety instructions, such as what kind of clothing to wear and other precautions to avoid any danger to you or your personnel.