Freudenberg filters contribute to road safety

Published: 3-May-2011

Automotive cabin air filters play a crucial role in the peak hayfever season

Springtime is high season for pollens. An effectively functioning automotive cabin air filter is vital – not least for allergy-sufferers.

For allergy-sufferers, in particular, the German motoring organisation Automobilclub von Deutschland (AvD) quantifies the accident risk for drivers at up to 30% higher. If a driver gets a sneezing attack driving at 50 miles an hour, he’ll be flying blind for about 25 metres. Sneezing, streaming eyes and other symptoms lead to concentration lapses, with a concomitantly increased accident risk – both for the drivers themselves and for other road-users.

Furthermore, the concentration of particles and pollens is up to six times higher inside the car than outside it. Automotive cabin air filters provide efficacious protection for this.

But cabin air filters can be fully effective only if they are replaced at regular intervals – about once a year, according to the corresponding recommendations from the German automobile club ADAC and the German Allergy and Asthma Association (DAAB).

The filter has to handle between 10 and 150 litres of inflowing air every second. The particles deposited in the fibres will impede the air flow as time goes by. This means a smoothly functioning filter is also essential for an intact ventilation, heating and air-conditioning system.

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