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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 E998LC Innenraumfilter Aktivkohle für AUDI A3 SEAT SKODA GOLF 5 6 PASSAT

für Fahrzeuge mit Klimaanlage

item ref.: UNI883W737
manufacturer: HENGST FILTER
part number: E998LC
EAN-Nr.: 4030776040289
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Breite_mm: 213,0
Verwendung: Innenraumluft
Hoehe_mm: 58,0
Filterausfuehrung: Aktivkohlefilter
Laenge_mm: 271,0
9.95 EUR

incl. legal tax, + shipping fees

available
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HIRSCHER Innenraumfilter Aktivkohle AUDI A4 B6 B7 A6 C5 SEAT EXEO 4B0819439C

item ref.: UNI503W120
manufacturer: HIRSCHER
part number: RFIT1804
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Filterausfuehrung: Aktivkohlefilter
9.95 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Aktivkohle CUK26007 für MERCEDES W176 W246 C117 X117 X156

entspricht MERCEDES OE-Nummer: 246 830 00 18

item ref.: UNI013W148
manufacturer: MANN-FILTER
part number: CUK 26 007
EAN-Nr.: 4011558030971
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Laenge_mm: 240
Breite_mm: 254
Hoehe_mm: 43
Filterausfuehrung: Aktivkohlefilter
25.95 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Pollen Aktivkohlefilter CUK8430 für 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
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Breite_mm: 123
Filterausfuehrung: Aktivkohlefilter
Hoehe_mm: 20
Laenge_mm: 810
19.80 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
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Laenge_mm: 264
Hoehe_mm: 44
Filterausfuehrung: Aktivkohlefilter
Breite_mm: 284
21.70 EUR

incl. legal tax, + shipping fees

available
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MANN Innenraumfilter Aktivkohle CUK26009 für AUDI A3 8V SEAT SKODA VW GOLF 7

entspricht VAG OE-Nummer: 5Q0 819 653

item ref.: UNI013W111
manufacturer: MANN-FILTER
part number: CUK 26 009
EAN-Nr.: 4011558026776
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Laenge_mm: 254
Breite_mm: 235
Hoehe_mm: 32
Filterausfuehrung: Aktivkohlefilter
13.00 EUR

incl. legal tax, + shipping fees

available
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HENGST E2905LI Innenraumfilter NISSAN Micra 3 RENAULT Clio 2 3 Twingo 2 Wind

auch für DACIA DUSTER LOGAN SANDERO

item ref.: UNI883W800
manufacturer: HENGST FILTER
part number: E2905LI
EAN-Nr.: 4030776046724
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Laenge_mm: 184,0
Breite_mm: 182,0
Filterausfuehrung: Pollenfilter
Hoehe_mm: 25,0
9.95 EUR

incl. legal tax, + shipping fees

available
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HIRSCHER Innenraumfilter Aktivkohlefilter FORD C-Max 2 Focus 3 Kuga 2 1709013

auch GRAND C-MAX & TOURNEO CONNECT & TRANSIT CONNECT

item ref.: UNI503W024
manufacturer: HIRSCHER
part number: RFIR0607
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Filterausfuehrung: Aktivkohlefilter
9.95 EUR

incl. legal tax, + shipping fees

available
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HENGST E1959LI Innenraumfilter Pollenfilter für BMW E81-88 3er E90-93 X1 E84

item ref.: UNI583W028
manufacturer: HENGST FILTER
part number: E1959LI
EAN-Nr.: 4030776033380
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Laenge_mm: 832,0
Breite_mm: 131,0
Filterausfuehrung: Partikelfilter
Hoehe_mm: 20,0
15.95 EUR

incl. legal tax, + shipping fees

Not available at the moment

MANN Innenraumfilter Aktivkohlefilter für AUDI Q7 PORSCHE CAYENNE VW TOUAREG

auch für VW AMAROK MULTIVAN TRANSPORTER T5 T6

item ref.: UNI013W143
manufacturer: MANN-FILTER
part number: CUK 2842
EAN-Nr.: 4011558406806
Breite_mm: 219
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Filterausfuehrung: Aktivkohlefilter
Laenge_mm: 278
Hoehe_mm: 30
13.95 EUR

incl. legal tax, + shipping fees

available
Add to shopping cart

Innenraumfilter Aktivkohle Satz BMW 3er E90 E93 E92 M3 / GTS 64319159606

Passt beim E90/E92/E93 M3 420 PS und E92 M3 GTS 450 PS

item ref.: A02013W345

part number: nicht zutreffend
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Mengeneinheit: Satz
Menge: 4
Filterausfuehrung: Aktivkohlefilter
35.95 EUR

incl. legal tax, + shipping fees

available
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HIRSCHER Innenraumfilter Aktivkohle FORD Galaxy Kuga Mondeo S-Max 1315687

auch für FORD FOCUS C-MAX (DM2) & C-MAX (DM2)

item ref.: UNI503W007
manufacturer: HIRSCHER
part number: RFIG0602
Mengeneinheit: Stück
Baugruppe: Heizung/Lüftung
Verwendung: Innenraumluft
Filterausfuehrung: Aktivkohlefilter
9.95 EUR

incl. legal tax, + shipping fees

available
Add to shopping cart
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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.