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Cabin Air Filter
CUD 23 046
New

About this item

High-quality MANN-FILTER cabin filters offer almost 100% protection against particles such as pollen, diesel soot and tyre abrasion - for a feel-good climate in the vehicle interior and protection of the air conditioning system. Exact fit and perfect tightness ensure constant filtration performance during the entire service interval / Optimum vehicle interior ventilation due to the high air flow capacity.

  • Length (A) = 222 mm; Width (B) = 163 mm; Height (H) = 51 mm
  • Main application AA: CASE CONSTRUCTION CX-Serie (Hydraulikbagger / Hydraulic Excavators), CXB-Serie. KOMATSU PC (Kettenbagger / Crawler Excavators), PW (Mobilbagger / Wheeled Excavators). KUBOTA KX-Series (Minibagger / Mini Excavators), R-Series (Compact Wheel Loaders). SUMIT

GTIN Code: 4011558594763

Product Details

No data available

Product Image CUD23046_MANN-FILTER
Height 51 mm
Length 222 mm
Width 163 mm

Filter with by-pass valve No
Filter with anti-drain valve No
Filter with anti-siphon valve No

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
CX 350 Cabin Air Filter Isuzu AA-6HK1XQB 7790 185 248 01/02 →
CX 700 Cabin Air Filter Isuzu AH-6WG1X 15700 345 469 01/06 →
CX 700 B Cabin Air Filter Isuzu AH 6 WG 1 XYSS 15700 345 469
CX 800 Cabin Air Filter Isuzu 6WG1TC 15682 369 495 01/02 → 12/05
CX 800 B Cabin Air Filter Isuzu AH-6WG1X-YSS Tier3 15700 397 532 01/07 → 12/14
Model Type CX 350
Filter Type Cabin Air Filter
Engine Code Isuzu AA-6HK1XQB
ccm 7790
kW 185
HP 248
Year of Manufacture 01/02 →
Model Type CX 700
Filter Type Cabin Air Filter
Engine Code Isuzu AH-6WG1X
ccm 15700
kW 345
HP 469
Year of Manufacture 01/06 →
Model Type CX 700 B
Filter Type Cabin Air Filter
Engine Code Isuzu AH 6 WG 1 XYSS
ccm 15700
kW 345
HP 469
Year of Manufacture
Model Type CX 800
Filter Type Cabin Air Filter
Engine Code Isuzu 6WG1TC
ccm 15682
kW 369
HP 495
Year of Manufacture 01/02 → 12/05
Model Type CX 800 B
Filter Type Cabin Air Filter
Engine Code Isuzu AH-6WG1X-YSS Tier3
ccm 15700
kW 397
HP 532
Year of Manufacture 01/07 → 12/14

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
CX 240 B Tier III Cabin Air Filter - - -
CX 470 B Tier III Cabin Air Filter - - -
Model Type CX 240 B Tier III
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type CX 470 B Tier III
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
48 U-3P Cabin Air Filter Yanmar - - - 01/13 →
55 U-5 A Cabin Air Filter Yanmar EDM-4TNV88 2189 28 38 01/13 → 12/18
Model Type 48 U-3P
Filter Type Cabin Air Filter
Engine Code Yanmar
ccm -
kW -
HP -
Year of Manufacture 01/13 →
Model Type 55 U-5 A
Filter Type Cabin Air Filter
Engine Code Yanmar EDM-4TNV88
ccm 2189
kW 28
HP 38
Year of Manufacture 01/13 → 12/18

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
48U-3P Cabin Air Filter Yanmar 4TNV88C 2189 29 39 01/13 →
48U-6 Cabin Air Filter Yanmar 4TNV88C 2189 29 39 01/19 →
Model Type 48U-3P
Filter Type Cabin Air Filter
Engine Code Yanmar 4TNV88C
ccm 2189
kW 29
HP 39
Year of Manufacture 01/13 →
Model Type 48U-6
Filter Type Cabin Air Filter
Engine Code Yanmar 4TNV88C
ccm 2189
kW 29
HP 39
Year of Manufacture 01/19 →

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
D 39 EX/PX-21 Cabin Air Filter Komatsu SAA4D102E-2 - 73 99 01/02 → 12/08
Model Type D 39 EX/PX-21
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D102E-2
ccm -
kW 73
HP 99
Year of Manufacture 01/02 → 12/08

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
HD 465-5 Cabin Air Filter SAA6D170E-2A-8 - - -
Model Type HD 465-5
Filter Type Cabin Air Filter
Engine Code SAA6D170E-2A-8
ccm -
kW -
HP -
Year of Manufacture

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
PC 130-7 / 130-7K Cabin Air Filter Komatsu SAA4D95 LE-3 - 66 88
PC 130-8 Cabin Air Filter Komatsu SAA4D95LE-5 - 72 98 01/08 →
PC 138 US LC-8 Cabin Air Filter Komatsu SAA4D95LE - - - 01/07 →
PC 138 US-10 Cabin Air Filter SAA4D95LE-6A - - - 01/13 →
PC 138 US-8 Cabin Air Filter Komatsu SAA4D95LE-5 - 68 92
PC 138US-11 (800001 -->) Cabin Air Filter Komatsu SAA4D95LE-7 - 70 95 01/16 →
PC 138USLC-10 Cabin Air Filter SAA4D95LE-6 - - -
PC 138USLC-8 Cabin Air Filter SAA4D95LE-5 - - -
PC 160 LC-7 Cabin Air Filter SAA4D102E-2 - 81 110
PC 160-8 Cabin Air Filter - - -
PC 160LC-7K Cabin Air Filter - - - 01/04 →
PC 190-8 Cabin Air Filter - - -
PC 210 LC-11 (K70001) Cabin Air Filter Komatsu SAA6D107E-3C - 137 186
PC 210/LC-7K Cabin Air Filter - - -
PC 210/LC-8K
Cabin Air Filter - - -
PC 210/LC/NLC-8 Cabin Air Filter Komatsu SAA6D107E-1 6690 116 156 01/03 →
PC 240-10
Cabin Air Filter - - -
PC 240LC-8K
Cabin Air Filter - - -
PC 290LC-7K Cabin Air Filter - - -
PC 340 LC / NLC-7K
Cabin Air Filter Komatsu SAA6D114 E-3 - 183 249
PC 350 LC / NLC-8
Cabin Air Filter Komatsu SAA6D114E-3 - 149 264
PC 450 LC-8
Cabin Air Filter Komatsu SAA6D125E-5 - 263 358
PC 88MR-8 Cabin Air Filter Komatsu SAA4D95LE-5 - 49 67 01/09 →
Model Type PC 130-7 / 130-7K
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D95 LE-3
ccm -
kW 66
HP 88
Year of Manufacture
Model Type PC 130-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D95LE-5
ccm -
kW 72
HP 98
Year of Manufacture 01/08 →
Model Type PC 138 US LC-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D95LE
ccm -
kW -
HP -
Year of Manufacture 01/07 →
Model Type PC 138 US-10
Filter Type Cabin Air Filter
Engine Code SAA4D95LE-6A
ccm -
kW -
HP -
Year of Manufacture 01/13 →
Model Type PC 138 US-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D95LE-5
ccm -
kW 68
HP 92
Year of Manufacture
Model Type PC 138US-11 (800001 -->)
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D95LE-7
ccm -
kW 70
HP 95
Year of Manufacture 01/16 →
Model Type PC 138USLC-10
Filter Type Cabin Air Filter
Engine Code SAA4D95LE-6
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 138USLC-8
Filter Type Cabin Air Filter
Engine Code SAA4D95LE-5
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 160 LC-7
Filter Type Cabin Air Filter
Engine Code SAA4D102E-2
ccm -
kW 81
HP 110
Year of Manufacture
Model Type PC 160-8
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 160LC-7K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture 01/04 →
Model Type PC 190-8
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 210 LC-11 (K70001)
Filter Type Cabin Air Filter
Engine Code Komatsu SAA6D107E-3C
ccm -
kW 137
HP 186
Year of Manufacture
Model Type PC 210/LC-7K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 210/LC-8K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 210/LC/NLC-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA6D107E-1
ccm 6690
kW 116
HP 156
Year of Manufacture 01/03 →
Model Type PC 240-10
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 240LC-8K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 290LC-7K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PC 340 LC / NLC-7K
Filter Type Cabin Air Filter
Engine Code Komatsu SAA6D114 E-3
ccm -
kW 183
HP 249
Year of Manufacture
Model Type PC 350 LC / NLC-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA6D114E-3
ccm -
kW 149
HP 264
Year of Manufacture
Model Type PC 450 LC-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA6D125E-5
ccm -
kW 263
HP 358
Year of Manufacture
Model Type PC 88MR-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D95LE-5
ccm -
kW 49
HP 67
Year of Manufacture 01/09 →

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
PW 118 MR-8 Cabin Air Filter SAA4D95LE-5 - 72 98 01/11 →
PW 148-8
Cabin Air Filter Komatsu SAA4D107E-1 - 86 117 01/10 →
PW 160-7K
Cabin Air Filter - - -
PW 180-7K
Cabin Air Filter SAA6D102E-2-18 - - -
PW 200-7K
Cabin Air Filter - - -
PW 220-7K Cabin Air Filter Komatsu SAA6D102E - 116 158 07/06 →
Model Type PW 118 MR-8
Filter Type Cabin Air Filter
Engine Code SAA4D95LE-5
ccm -
kW 72
HP 98
Year of Manufacture 01/11 →
Model Type PW 148-8
Filter Type Cabin Air Filter
Engine Code Komatsu SAA4D107E-1
ccm -
kW 86
HP 117
Year of Manufacture 01/10 →
Model Type PW 160-7K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PW 180-7K
Filter Type Cabin Air Filter
Engine Code SAA6D102E-2-18
ccm -
kW -
HP -
Year of Manufacture
Model Type PW 200-7K
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type PW 220-7K
Filter Type Cabin Air Filter
Engine Code Komatsu SAA6D102E
ccm -
kW 116
HP 158
Year of Manufacture 07/06 →

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
080-3a Cabin Air Filter Kubota V3307 DI-T 3331 48 65 01/08 → 12/15
080-4 Cabin Air Filter Kubota V3307CR-TE4 3331 48 65 01/13 → 02/16
080-4 Alpha (KBCK0804) Cabin Air Filter Kubota V3307-CRT-EU6 3331 47 63 01/19 →
080-4 Alpha II (KBCK0804) Cabin Air Filter Kubota V3307-CRT-EU6 3331 47 63 01/20 →
80-4a (40556+40557=>) Cabin Air Filter Kubota V3307CR-TE4 3331 47 63
Model Type 080-3a
Filter Type Cabin Air Filter
Engine Code Kubota V3307 DI-T
ccm 3331
kW 48
HP 65
Year of Manufacture 01/08 → 12/15
Model Type 080-4
Filter Type Cabin Air Filter
Engine Code Kubota V3307CR-TE4
ccm 3331
kW 48
HP 65
Year of Manufacture 01/13 → 02/16
Model Type 080-4 Alpha (KBCK0804)
Filter Type Cabin Air Filter
Engine Code Kubota V3307-CRT-EU6
ccm 3331
kW 47
HP 63
Year of Manufacture 01/19 →
Model Type 080-4 Alpha II (KBCK0804)
Filter Type Cabin Air Filter
Engine Code Kubota V3307-CRT-EU6
ccm 3331
kW 47
HP 63
Year of Manufacture 01/20 →
Model Type 80-4a (40556+40557=>)
Filter Type Cabin Air Filter
Engine Code Kubota V3307CR-TE4
ccm 3331
kW 47
HP 63
Year of Manufacture

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
065 Cabin Air Filter Kubota V2607DI-E3 2615 35 48 01/15 → 02/16
082 Cabin Air Filter Kubota V2607DI-E3 2615 35 47 01/17 →
085 Cabin Air Filter Kubota V2607CR 2615 46 62 01/15 → 02/18
630 Cabin Air Filter Kubota V2607-CR-TE4 Tier4 2615 48 64
Model Type 065
Filter Type Cabin Air Filter
Engine Code Kubota V2607DI-E3
ccm 2615
kW 35
HP 48
Year of Manufacture 01/15 → 02/16
Model Type 082
Filter Type Cabin Air Filter
Engine Code Kubota V2607DI-E3
ccm 2615
kW 35
HP 47
Year of Manufacture 01/17 →
Model Type 085
Filter Type Cabin Air Filter
Engine Code Kubota V2607CR
ccm 2615
kW 46
HP 62
Year of Manufacture 01/15 → 02/18
Model Type 630
Filter Type Cabin Air Filter
Engine Code Kubota V2607-CR-TE4 Tier4
ccm 2615
kW 48
HP 64
Year of Manufacture

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
080-4Alpha (<=40556) Cabin Air Filter Kubota V3307CR-TE4 - 47 63 02/16 → 04/19
Model Type 080-4Alpha (<=40556)
Filter Type Cabin Air Filter
Engine Code Kubota V3307CR-TE4
ccm -
kW 47
HP 63
Year of Manufacture 02/16 → 04/19

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
120-3 Cabin Air Filter - - -
160-3 Cabin Air Filter - - -
300-3 Cabin Air Filter - - -
330-3 Cabin Air Filter - - -
Model Type 120-3
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type 160-3
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type 300-3
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type 330-3
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
TB 295 W Cabin Air Filter Isuzu AM-4JJ1X-S1 - - - 01/14 →
Model Type TB 295 W
Filter Type Cabin Air Filter
Engine Code Isuzu AM-4JJ1X-S1
ccm -
kW -
HP -
Year of Manufacture 01/14 →

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
TB 240 Cabin Air Filter Yanmar 4TNV88 2189 26 35
TB 240 (124000003 - 124100001) Cabin Air Filter - - -
TB 240 (12410002 ->) Cabin Air Filter - - -
TB 285 (185000759 - 185100001) Cabin Air Filter Yanmar 4TNV98 Tier 4 3300 51 69
TB 285 Cabin Air Filter Yanmar 4TNV98 Tier 4 3300 51 69 01/19 →
TB 285 (ab 185100001) Cabin Air Filter Yanmar 4TNV98 Tier 4 3318 51 69 01/19 →
TB 290 (190200001->) Cabin Air Filter - - -
TB 290 Cabin Air Filter Isuzu 4JJ1T 2999 51 69
TB 290 (190000821 - 190200001) Cabin Air Filter - - -
TB 295 W Cabin Air Filter Deutz TCD3.6 L4 3621 85 115 01/17 →
TB 295 W Cabin Air Filter Isuzu AM-4JJ1X-S1 - 70 95 01/13 → 12/16
Model Type TB 240
Filter Type Cabin Air Filter
Engine Code Yanmar 4TNV88
ccm 2189
kW 26
HP 35
Year of Manufacture
Model Type TB 240 (124000003 - 124100001)
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type TB 240 (12410002 ->)
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type TB 285 (185000759 - 185100001)
Filter Type Cabin Air Filter
Engine Code Yanmar 4TNV98 Tier 4
ccm 3300
kW 51
HP 69
Year of Manufacture
Model Type TB 285
Filter Type Cabin Air Filter
Engine Code Yanmar 4TNV98 Tier 4
ccm 3300
kW 51
HP 69
Year of Manufacture 01/19 →
Model Type TB 285 (ab 185100001)
Filter Type Cabin Air Filter
Engine Code Yanmar 4TNV98 Tier 4
ccm 3318
kW 51
HP 69
Year of Manufacture 01/19 →
Model Type TB 290 (190200001->)
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type TB 290
Filter Type Cabin Air Filter
Engine Code Isuzu 4JJ1T
ccm 2999
kW 51
HP 69
Year of Manufacture
Model Type TB 290 (190000821 - 190200001)
Filter Type Cabin Air Filter
Engine Code
ccm -
kW -
HP -
Year of Manufacture
Model Type TB 295 W
Filter Type Cabin Air Filter
Engine Code Deutz TCD3.6 L4
ccm 3621
kW 85
HP 115
Year of Manufacture 01/17 →
Model Type TB 295 W
Filter Type Cabin Air Filter
Engine Code Isuzu AM-4JJ1X-S1
ccm -
kW 70
HP 95
Year of Manufacture 01/13 → 12/16

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
SY155W Cabin Air Filter Deutz TCD4.1 L4 4038 115 156 01/21 →
SY245H Cabin Air Filter Cummins QSB6.7 6700 142 193 01/18 →
Model Type SY155W
Filter Type Cabin Air Filter
Engine Code Deutz TCD4.1 L4
ccm 4038
kW 115
HP 156
Year of Manufacture 01/21 →
Model Type SY245H
Filter Type Cabin Air Filter
Engine Code Cummins QSB6.7
ccm 6700
kW 142
HP 193
Year of Manufacture 01/18 →

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
XE235UCR Cabin Air Filter Cummins QSB 6.7 - 135 184
XE55E Cabin Air Filter Kubota V 2403 - 31 42 01/21 → 12/25
Model Type XE235UCR
Filter Type Cabin Air Filter
Engine Code Cummins QSB 6.7
ccm -
kW 135
HP 184
Year of Manufacture
Model Type XE55E
Filter Type Cabin Air Filter
Engine Code Kubota V 2403
ccm -
kW 31
HP 42
Year of Manufacture 01/21 → 12/25

Model Type Filter Type Engine Code ccm kW HP Year of Manufacture
913FCR Cabin Air Filter Cummins F3.8 - 70 95
Model Type 913FCR
Filter Type Cabin Air Filter
Engine Code Cummins F3.8
ccm -
kW 70
HP 95
Year of Manufacture

  • KHR2772
  • 48049970

  • 71498266

  • 4234793

  • 14X91-17862
  • 17M-911-3530
  • 14X91-17750
  • 56907-61190
  • 17M91-13530
  • 20J9-81110

  • T0270-67060

  • 60250669
  • B222100000660K
  • B222100000660

  • MMR80010
  • KHR2772

  • 19115-13680

No data available

SVHC declaration according to the regulation EC 1907/2006 concerning the Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH).

 

Product: CUD 23 046

MANN+HUMMEL is well aware of REACH and meets all legal obligations under this regulation.

MANN+HUMMEL has established internal processes to ensure implementation and compliance with the REACH Regulation. Especially, we continuously work on the assessment of the presence of SVHC (Substances of Very High Concern).

We may inform you that according to the present level of information and best knowledge, this product does not contain any SVHC listed on the Candidate List in a concentration above 0,1% (w/w).

Last update: 2026-03-23 00:00:00

Safety notice: Filters and similar components must only be installed by persons with relevant mechanical knowledge and experience, see IEC 60417 - 6183

Cabin Air Filter Content

Cabin air filters put the joy back into driving

Cabin air filter against pollen by MANN-FILTER

Air flows into a vehicle at a volume of up to 540,000 litres per hour through the ventilation ducts. Imagine the amount of dirt and dust that comes with it. Now picture that entering your lungs. Not a pretty picture. In fact, the air inside a car contains around five times more exhaust gases, pollutants and allergens than outside air. Vehicle cabin air filters remove up to 90% of even the tiniest  harmful particulates (up to 1µm, in size)  creating a barrier between passengers and the incoming air.

A MANN-FILTER cabin air filter can separate tiny particulates almost 100% – the damaging micro-organisms contained in pollen, exhaust fumes, smoke, fossil fuel emissions and gas droplets. Some of these are smaller than 3% of the diameter of a human hair. Which shows how powerful and effective a pollen filter is. 

Dust and pollen filters: Benefits at a glance

What’s all the fuss about? Here are the cabin air filter benefits you will enjoy with a MANN-FILTER product:

  • Performance – Our premium products offer exceptional performance in cabin air filter technology
  • Wellbeing – Clean air improves the health and wellbeing of everyone traveling in the vehicle
  • Efficiency – Servicing and replacing the air conditioning filter in a car regularly improves system functionality
  • Support – Our easy to use online catalogue and simple installation instructions provide the guidance for a perfect fit!

What you need to know about changing a cabin air filter

Replace your cabin air filter after 15.000 km or every year

Cabin air filter replacement is vital to keeping the air clean inside your vehicle. This is often done as a feature of your regular servicing regime. Cabin air filters should be replaced once a year or every 15,000 km. To optimize the clean air inside the car and improve the driving experience, check your cabin air filter annually.

How will you know if your cabin air filter needs changing? 

  • Listen out for strange noises. These could be caused by deposits inside the filter
  • Watch for unpleasant smells
  • Poor air flow is a sign of a clogged cabin air filter
  • If your windows fog up frequently and are hard to clear, change your filter

Compare all MANN-FILTER cabin air filters

BenefitsPREMIUM
FreciousPlus (FP)
ADVANCED
CUK
BASIC
CU
Provides more than 95% protection against allergens  
Prevents growth of mold and bacteria on the filter  
Blocks particulate matter up to 95% (PM2.5)  
Eliminates almost 90% of odours 
Traps harmful gases, such as ozone, nitrogen oxides and sulphur dioxide 
Almost 100% filtration of tiny particles
Significant reduction of diesel soot (>95%)
Protects the air conditioning system