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Your cabin air filter…a breath of fresh air


Check your owner’s manual to see if your car has a cabin air filter. If the answer is yes you may want to make a note to check with your service professional to see if it should be replaced.
This is especially true if you suffer from asthma,  allergies or live in a dry and dusty environment.
There are two basic types of cabin air filters

  1. The more popular particulate type, which is designed to remove particles above a
    certain size.
  2.  The dual-function which has an activated charcoal layer on one side to trap odors.

The so-called particulate filter, which is the less-expensive type, is not just for large airborne debris. It traps dust and pollen, two very common allergens that are very small
particles, so it has a significant effect on passenger comfort.
The activated charcoal layer/section is added to the particulate filter to absorb order. The manufacturers of the premium filters actually test their products using panels of people with a great sense of smell.  Odor control filtration is a complex science involving a lot of trial-and-error. So you should appreciate that an effective filter is a good piece of engineering.

When having your mobile A/C system professionally serviced, insist on proper repair procedures and quality replacement parts. Insist on recovery and recycling so that refrigerant can be reused and not released into the atmosphere.  
You can E-mail us at or visit to find a Mobile Air Conditioning Society repair shop in your area. Visit to find out more about your car’s mobile A/C and engine cooling system.

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