Filtration experts at MANN+HUMMEL has said it is setting new standards in cabin air filtration with its improved MANN-FILTER FreciousPlus 2.
The new filter separates ultra-fine particles and binds other harmful gases from outside and within the vehicle while providing protection against allergens, bacteria, and mould.
A World Health Organisation (WHO) study has found that 92 per cent of people worldwide live in areas where air pollution exceeds the permissible levels.
The increasing air pollution also penetrates into the vehicle passenger compartment.
“Like a spider’s web”
A MANN+HUMMEL spokesperson said: “The MANN-FILTER FreciousPlus 2 is particularly characterised by its comprehensive performance range throughout the entire maintenance interval.
“It additionally features ultra-fine nanofibers, which are around 100 times thinner than the fibers of conventional filter fleeces.
“Like a spider’s web, these fibers cover the underlying filtration layers consisting of coarser fibers, allowing them to trap ultra-fine particles.
“This results in significantly enhanced performance of the new filters compared to the previous filter model.”
The FreciousPlus 2 is able to filter out up to 90 per cent of particles with an aerodynamic diameter of less than one micrometer (0.0001 cm).
FreciousPlus 2 also removes up to 80 per cent of ultra-fine particles (UFP), which are smaller than 0.1 micrometers, reaching maximum values.
By way of comparison, these extremely tiny particles are roughly 700 times smaller than the width of a human hair.
The spokesperson added: “If these particles are breathed in, they can enter into the lungs, where a significant proportion of them can penetrate deeply into the cell membranes of the pulmonary alveoli.
“From here, they can enter into the bloodstream, penetrating into the cardiovascular system and may also spread into other organs.
“Outperforms the predecessor”
“The enhanced FreciousPlus 2 also significantly outperforms the predecessor model in the reduction of harmful gases and odours: Nitrogen oxides, sulfur dioxide and ozone are trapped more effectively.
“Particularly with regard to harmful NO2, we can now speak of almost complete separation.”
Compared to the predecessor model, the new FreciousPlus 2 absorbs more than 200 times as much ammonia and also protects from volatile organic compounds such as formaldehyde, which can be released by vehicle passenger compartment materials.
The existing range will be progressively replaced by the new generation filters.
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