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MANN+HUMMEL takes on air pollutants
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ONE man’s poison can be another man’s meat.
In China’s lingering smog problem, German filter specialist MANN+HUMMEL sees an emerging but quickly growing market for cabin air filters to eliminate PM2.5 fine particulate pollutants.
With a diameter only one-thirtieth of a human hair, PM2.5 fine particles can easily pass through conventional cabin air filters to get inside a car, posing serious health risks such as asthma, bronchitis or even lung cancer.
To effectively keep those particles out, MANN+HUMMEL recently released new filters using four layers of advanced activated carbon. Field tests have put its filtration efficiency at up to 90 percent.
Now in mass production, the MANN+HUMMEL PM2.5 cabin air filter is used in a variety of Dongfeng Peugeot Citroen cars, including the 307, 308, 408 and 508 models as well as the C-Quatre, C-Triomphe, C4L and C5 of Dongfeng-Citroen. Marketed as a big selling point by the carmaker, the filter is also for sale as an original spare part.
Since the second half of 2013, the country’s preoccupation with air quality has been on the rise.
Original equipment manufacturers are being urged to raise the bar on in-car air filtration technology outsourcing.
It took MANN+HUMMEL nearly one year and nine months to come up with its PM2.5 cabin air filters. Good ones need more than just high-quality filter media. They also need designs tailored to the structure of each air conditioner model, and they need to function well in repeated tests and verifications, according to Josef Parzhuber, MANN+HUMMEL group vice president and company CEO for the Asia-Pacific.
“Localizing our research and development, and expanding our engineering team are very important for Mann+Hummel,” Parzhuber added.
MANN+HUMMEL’s research and development center in China recently opened a new test platform for cabin air filters, where a range of variables such as filtration efficiency and dust retention can be tested in a controlled atmosphere of different temperatures and humidity levels.
Now available for global supply, the MANN+HUMMEL PM2.5 cabin air filter was not developed specifically for China, but the persistent smog blanketing many major cities certainly gives the product an ideal market.
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