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|Filter type||Particulate Filter|
|Recommended replace interval [km]||20000|
|Packaging length [cm]||17,5|
|Packaging width [cm]||2,00|
|Net Weight [g]||39,0|
|Packaging height [cm]||39,50|
MAHLE cabin filters: clean air, safe driving
MAHLE cabin filters reliably supply the driver and passengers with clean air. They reduce dust on the dashboard and in the cabin, and avoid dangerous fogging of the windows. They also reduce the load on the blower and protect the HVAC system from contamination. Irreparable damage can occur to the air conditioning or heating system. The replacement intervals recommended by vehicle manufacturers should therefore always be followed.
The fan blows up to 100,000 litres of air into the cabin in one hour of driving. Without cabin filters, all kinds of pollutants, smog, ozone, exhaust gases, unpleasant odours, fine particulates, or pollen can enter the passenger cabin. The concentration of pollutants can be up to six times greater than at the edge of the road due to the differential pressure in the driving vehicle. Everyone knows what this means for the health, well-being, and concentration of the driver—which is why responsible manufacturers equip their passenger cars and commercial vehicles with cabin filters.
If the filter is not replaced on time, moisture builds up in the captured dirt. The filter becomes a feeding ground for bacteria and mould, which spread into the lines of the HVAC system, where they give off unpleasant odours and unhealthy emissions.
MAHLE Original prefilters are made either of polyester foam or polyester non-woven. The LAP is typically located upstream of the particle or combination filters and captures coarse dirt. This extends the service life of the cabin filter without (LA) and with activated carbon (LAK).
The polyester foam is resistant to ozone, hydrolysis, ageing, and temperatures up to 90°C, and is plasticiser- and CFC-free. The material is recyclable and can be easily incinerated. The polyester foams have uniform pores that are created in a special process. MAHLE typically use foam materials of the class PPI 30 (pores per inch), as extensive lab testing has demonstrated that this pore size is the best compromise between service life and coarse particle separation.
MAHLE non-woven mats made of polyester are non-flammable and resistant to hydrolysis, ageing, and temperatures up to 100°C. The material is free of silicone, plasticisers, and CFC, recyclable, and suitable for incineration.
Activated carbon consists mostly of carbon (typically > 90%) with a very porous structure. The pores are connected to each other like in a sponge. Two grams of activated carbon contain approximately the surface area of a football pitch—a standard filter with about 200 g of carbon therefore has an filter surface area of about 100 football pitches.
There are particulate filters for coarse (LAP) and fine particles (LA) and combination filters (LAK) with an activated carbon layer. Coarse filters protect the filter surface of a downstream fine particle filter or combination filter against clogging with large particles. Particulate filters for fine particles protect against fine particulates, pollen, industrial dusts, and other tiny particles that can enter the lungs. Combination filters have an additional activated carbon filter—they absorb both odours and toxic gases such as nitrogen oxides as well as petrol and fertilizer fumes, and break down up to 99% of ozone.
MAHLE makes pure activated carbon filters that supplement conventional cabin filters for some types of vehicles. MAHLE deliberately avoids the use of solvent-based adhesives in the manufacture of its combination filters. The individual filter layers are bonded by heating.
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