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The cabin filter - clean air in the passenger compartment

Cabin air filters ensure a healthy and hygienic climate in the vehicle. The cabin air filter is also known as particle, dust and pollen filter. We offer you numerous cabin air filters in our product range, also as activated carbon filters and special anti-allergen filters for countless vehicles. In the lower part of the page we explain the differences and modes of operation of all three filter types.

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HENGST E2998LC Innenraumfilter Aktivkohle AUDI A3 8V SEAT LEON SKODA VW GOLF 7

auch für CUPRA ATECA & MAN TGE (UY_ UZ_)

item ref.: UNI883W776
manufacturer: HENGST FILTER
part number: E2998LC
EAN-Nr.: 4030776040906
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 30,0
Verwendung: Innenraumluft
Breite_mm: 235,0
Laenge_mm: 250,0
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
11.95 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Aktivkohlefilter CUK25001 BMW F20 F21 F22 F23 F30-34 F32-36

entspricht BMW OE-Nummer: 64116821995 / 64119237555

item ref.: UNI013W180
manufacturer: MANN-FILTER
part number: CUK 25 001
EAN-Nr.: 4011558022259
Hoehe_mm: 41
Filterausfuehrung: Aktivkohlefilter
Breite_mm: 198
Verwendung: Innenraumluft
Laenge_mm: 248
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
25.95 EUR

incl. legal tax, + shipping fees

available
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HENGST E998LB BLUE CARE Innenraumfilter ANTIBAKTERIELL für AUDI SEAT SKODA VW

mit antibakterieller Wirkung | speziell für Allergiker

item ref.: UNI883W860
manufacturer: HENGST FILTER
part number: E998LB
EAN-Nr.: 4030776047004
Breite_mm: 215,0
Hoehe_mm: 57,0
Laenge_mm: 286,0
Verwendung: Innenraumluft
Filterausfuehrung: mit antibakterieller Wirkung
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
13.95 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Aktivkohlefilter CUK2450 AUDI A4 B8 A5 Q5 8R PORSCHE MACAN

item ref.: UNI013W149
manufacturer: MANN-FILTER
part number: CUK 2450
EAN-Nr.: 4011558542306
Breite_mm: 241
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 36
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
Laenge_mm: 279
13.84 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Aktivkohlefilter CUK29005 für MERCEDES W204 W212 X204 R231

item ref.: UNI013W101
manufacturer: MANN-FILTER
part number: CUK 29 005
EAN-Nr.: 4011558031367
Breite_mm: 284
Laenge_mm: 264
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 44
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
21.95 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Pollenfilter Aktivkohlefilter CUK2939 AUDI SEAT SKODA VW

item ref.: UNI013W011
manufacturer: MANN-FILTER
part number: CUK 2939
EAN-Nr.: 4011558405205
Laenge_mm: 288
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 34
Breite_mm: 215
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
12.00 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Aktivkohlefilter Satz BMW 5er F10 F11 6er F12 F13 7er F01

auch für 5er F07 & 6er F06 | BMW: 64 11 9 272 642

item ref.: A02013W778
manufacturer: MANN-FILTER
part number: CUK 2533-2
EAN-Nr.: 4011558001889
Mengeneinheit: Satz
Hoehe_mm: 32
Filterausfuehrung: Aktivkohlefilter
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Breite_mm: 206
Laenge_mm: 245
38.95 EUR

incl. legal tax, + shipping fees

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MANN Innenraumfilter Pollenfilter Aktivkohlefilter CUK6724 BMW 3er E46 X3 E83

entspricht BMW-Nr: 64 31 9 257 504

item ref.: UNI013W016
manufacturer: MANN-FILTER
part number: CUK 6724
EAN-Nr.: 4011558403706
Laenge_mm: 660
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 20
Breite_mm: 95
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
19.00 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Pollenfilter Aktivkohlefilter CUK8430 BMW E81-88 E90-93 X1

entspricht BMW OE-Nummer: 64 31 9 313 519

item ref.: UNI013W039
manufacturer: MANN-FILTER
part number: CUK 8430
EAN-Nr.: 4011558409708
Breite_mm: 123
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 20
Laenge_mm: 810
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
19.75 EUR

incl. legal tax, + shipping fees

available
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Innenraumfilter Aktivkohle MERCEDES C-Klasse W203 CLK C209 A209 2038300918

Qualitätsfilter MADE IN GERMANY Einschränkungen prüfen!

item ref.: A12013W186

part number: nicht zutreffend
Verwendung: Innenraumluft
Filterausfuehrung: Aktivkohlefilter
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
11.50 EUR

incl. legal tax, + shipping fees

available
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HIRSCHER Innenraumfilter Aktivkohle BMW 1er E81-88 3er E90-93 X1 E84 64319313519

item ref.: UNI503W065
manufacturer: HIRSCHER
part number: RFIK0202
EAN-Nr.: 4050326782193
Filterausfuehrung: Aktivkohlefilter
Verwendung: Innenraumluft
Baugruppe: Heizung/Lüftung
Mengeneinheit: Stück
10.95 EUR

incl. legal tax, + shipping fees

available
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Innenraumfilter Aktivkohlefilter Satz AUDI A6 4F C6 R8 VW XL1 4F0898438C

entspricht Audi OE: 4F0819439A / 4F0898438A / B / C

item ref.: A04013W319

part number: nicht zutreffend
Mengeneinheit: Satz
Verwendung: Innenraumluft
Filterausfuehrung: Aktivkohlefilter
Baugruppe: Heizung/Lüftung
Menge: 2
14.47 EUR

incl. legal tax, + shipping fees

available
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The function of the cabin filter

The cabin air filter is usually located in the air conditioning system of the vehicle and was developed in the late 1970s. Today it is part of the standard equipment. The air conditioning system in a car generally draws in air from outside and allows it to flow into the vehicle through the cabin air filter. Without the filter, pollutants and exhaust gases would enter the car interior unfiltered, especially on busy roads or in multi-storey car parks, for example. Harmful exhaust gases and unpleasant odours can cause fatigue, headaches and respiratory diseases such as asthma or irritation of the skin and eyes. Especially for allergy sufferers, the cabin air filter also serves as a pollen filter. In addition, there are many other harmful substances in the air that are captured by the filter. These include:

  • Dust
  • Soot
  • Brake dust
  • Tire and clutch wear

The cabin air filter also promotes the longevity of the heating and air conditioning system, because only clean air reaches the heat exchangers. In this way it actively contributes to maintaining the value of the vehicle.

What does a cabin air filter consist of?

The cabin filter consists of a pleated filter medium and a frame. The filter medium consists of synthetic fleece, based on polyester and polystyrene, which has an electrostatic property. Dust particles stick to the fibres of the fleece, similar to a fly in a spider's web. Minor particles are attracted by the electrostatic charge like a magnet. This filters pollen, soot and dust particles out of the incoming air. The filter is kept in shape by the frame. This is usually made of plastic or textile.

How does an activated carbon combination filter work?

The activated carbon filter is also called a combination filter. This filter is increasingly being installed as standard in new cars. The activated carbon filter has the same technical design as other cabin air filters. However, it also filters and neutralises odours and harmful gases through an integrated activated carbon layer. Nitrogen dioxide, i.e. exhaust gases, or ozone can thus be significantly reduced in the passenger compartment. The activated carbon layer acts similar to a sponge and binds harmful gases. Pollen, dust, allergens and unpleasant odours are filtered 99 percent out of the air with an activated carbon filter. The activated carbon filter thus offers greater comfort and safety. Many vehicles can be converted to an activated carbon filter. In addition, these usually cost not much more than a classic pollen filter.

Antiallergenic filters are particularly suitable for allergy sufferers

The latest generation of cabin filters are antiallergenic filters. In addition to the activated carbon layer described above, these filters also have a biofunctional layer. The polyphenol coating filters and binds fine dust and pollen even more effectively. The growth of mould fungi in humid air is also significantly reduced by the biofunctional coating. The anti-allergenic filters are available from Hengst (Blue Care) or Mann (Frecious Plus) among others.

When should you change a cabin air filter?

The cabin air filter sustainably reduces health-endangering fine dust inside the vehicle. It also contributes to environmental protection, because the air cleaned by the filter escapes cleanly to the outside. The performance of the cabin air filter decreases over time as pollutant and dirt particles are deposited on the filter. As the dust load increases, the filter slowly becomes clogged and a so-called filter cake forms. As a result, the filter fleece gradually loses its electrostatic properties and filters out fewer pollutants.

The specified intervals for changing a cabin filter vary from manufacturer to manufacturer and can be found in the service booklet of the vehicle. You should always check it if you notice unpleasant odours in the vehicle interior.

How is the cabin air filter changed?

The exact procedure for a change depends on the position of the filter. On the one hand, the cabin filter can be located in the engine compartment. Then it is usually found under a paneling near the windshield. This paneling is dismantled either by loosening screws or by opening special fasteners so that the cabin filter can be removed. It is recommended to remove dirt, pollen and leaves from the housing and the adjacent area. The cabin filter can also be located inside the vehicle. In most cases, it can be found under or behind the glove compartment. Depending on the location, it may then be necessary to remove the glovebox or part of it in order to access the filter.

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The cost of changing the cabin filter at a workshop depends on the vehicle model and the type of filter. The price of an activated carbon filter is between 15 and 30 euros. The exchange takes about 10 to 30 minutes. In a workshop, this can result in labour costs of 10 to 45 euros. In most cases, however, you can easily change the cabin air filter yourself.

If you are not sure which cabin filter is suitable for your vehicle, please contact our customer service with your 17-digit chassis number.

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