Filtration 102

Health Risks


Boy with inhalerThe Environmental Protection Agency (EPA) has linked fine particle exposure to adverse health effects, including premature death, aggravated asthma and chronic bronchitis.  While individual particles are invisible to the naked eye, collectively they can appear as smog or dust clouds.

Particles measuring 0.3-0.5 microns in size have a greater likelihood of being deeply inhaled into your lungs, where they can be absorbed into the bloodstream or remain embedded in your lung tissue for extended periods of time.

Those at the greatest risk are the elderly and children, along with those with pre-existing respiratory or cardiovascular disease. Even the healthy, may experience dangerous symptoms from elevated exposure to particle pollution including:

  • - Irritation of the airways, coughing or difficulty breathing
  • - Decreased lung function
  • - Irregular heartbeat
  • - Heart attacks

1Health and Environmental Effects of Particulate Matter
U.S. Environmental Protection Agency

Hidden Offenders


Woman with AllergiesTo combat the severity of this health epidemic and the gravity of its impact, the federal government has passed the Clean Air Act requiring the EPA to set National Ambient Air Quality Standards (NAAQS) for the six air pollutants deemed most harmful to public health and the environment.2 Particulate matter (PM) constitutes one of these six most dangerous pollutants.

Fine particles originate from a variety of sources. Outdoors, they're generated by the 'usual suspects'... diesel trucks, fuel combustion and power plants.

What might be surprising to learn is that fine particles are polluting your indoor air quality as well - contaminating the very air your family breathes in the confines of your seemingly safeguarded home. These invisible culprits have many sources including wood stoves, air fresheners and most vacuum cleaners.

As a result of normal motor wear and tear, vacuum cleaners can actually pollute the air you breathe - exhausting millions of fine particles per minute. And, unfortunately, legislation has yet to be put in place to regulate these indoor polluters.

2 Particulate Matter, American Lung Association.

Carbon Emissions


Carbon emmisions ChartInterbasic Resources (IBR), an accredited third party laboratory undertaking the testing of particulate contamination and filtration performance verification, was commissioned by Miele to conduct an efficiency test of five leading vacuum cleaner brands to assess their respective emissions' rates.

One test was conducted to determine the volume of carbon dust particles emitted from each vacuum cleaner's fan. The ensuing test results were alarming with the poorest performing unit discharging over 13 million particles (0.3-0.5 micron in size) per minute. These sized emissions constitute the very particulate matter that the EPA warns, and regulates, against.

Miele captured motor emissions most effectively, emitting 638 times fewer carbon dust particles than the average vacuum cleaner tested.

Filtration Efficiency


Filtration ChartIBR tests were conducted to measure complete emissions efficiency – evaluating each unit's overall capture and retention rate. At Miele, we believe it is essential that dirt, dust, allergens, pet dander and other lung damaging particles are not only confined while vacuuming, but retained. The test findings reveal that Miele captures significantly more fine particles, with the nearest brand releasing 21 times more particles per minute.

On average, a homeowner will vacuum three times a week for approximately twenty minutes per session. Resulting IBR data showed that the leading bagless vacuum cleaner has an emission rate of 175,928 fine particles (0.3-0.5 micron in size) per minute. Therefore, vacuuming with this model for one 'session' will emit over 3.5 million particles, leaving one to conclude that one week's worth of vacuuming will subject you to over 10.6 million particles.

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Safeguarded Air

 Happy familySafeguard the air you breathe
You take every measure to provide superior care for your home and most importantly for your family – selecting pesticide-free produce, locating eco-friendly cleaners and using toxic-free detergents. But the very task you perform to clean your home, vacuuming, may not only be ineffective, but a cause of indoor air pollution.

Not all vacuum cleaners are created equal. In fact, IBR tests have proven Miele to be 99.99+% effective in both capturing and retaining particles 0.3 micron in size (that is 1/200th the width of a human hair) and larger.

Original Sealed System

Improperly sealed vacuum cleaners allow air, and particular matter, to escape from non-filtered openings. Miele vacuum cleaners offer a true Sealed System, each individual compartment and the system as a whole are sealed with one continuous, durable rubber gasket.Air-Clean SystemOriginal
Miele's exclusive Sealed System design combines with the following three elements to ensure your indoor air quality:
  • Use of the very best raw materials available.
  • Unique, electrostatically charged filtering dustbag and an innovative spring-loaded collar that traps debris
  • A selection of high-quality filter cartridges, including a certified HEPA filter.

Buyer Beware


Consumer AlertImitation turns from flattering to dangerous when imposter vacuum parts are put to use. Miele's Sealed SystemTM design is the most effective and hygienic method of removing particulate matter from your home... but only when genuine Miele dustbags and filters are used.

Tests conducted by IBR show that a counterfeit dustbag and filter does not effectively capture particles - increasing your exposure to harmful substances.

Not only will counterfeit parts increase your exposure to fine particles; IBR test results show that they reduce your vacuum's air flow. Undermining cleaning performance by more than 12%.

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