What’s the Difference Between Air Filters and Cabin Air Filters?

What's the Difference Between Air Filters and Cabin Air Filters? 7 Jul 2022

If you realize that your vehicle performs better with a clean air filter, you probably don’t know what an air filter is. In this article Fastest Cash For Cars Perth, we explore the difference between Cabin Air Filters and Air Filters – and knowing the difference will be vital for years to come with climate change.

What is the difference between air filters and cabin air filters?

The main difference between air filters and cabin air filters is their location. Air filters are located outside of the cabin, while cabin air filters are located inside of the cabin. Cabin air filters are also typically smaller in size than air filters.

Air filters help to remove contaminants from the air before it enters the cabin, while cabin air filters help to remove pollutants from the air inside the cabin. Both filters play an essential role in protecting passengers from harmful airborne particles.

Why do you need a cabin air filter?

A cabin air filter is crucial to your car’s ventilation system. It helps to remove pollen, dust, and other airborne contaminants from the air that circulates through the cabin. This ensures that you and your passengers can breathe easier and helps to reduce allergies and other respiratory issues. A cabin air filter also helps to keep your car’s interior clean by trapping dirt and debris before it has a chance to settle on surfaces.

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How to know if you need a new cabin air filter?

Cabin air filters are an important part of your car’s ventilation system and help keep the air inside your vehicle fresh and clean. Over time, cabin air filters can become clogged with dust, pollen, and other airborne contaminants, needing to be replaced.

If you notice that the air quality inside your car is not as good as it used to be, or if your car’s ventilation system is not working as well as it should, it may be time to replace your cabin air filter.

How often should I change my cabin air filter?

Cabin air filters are designed to remove contaminants from the inside your vehicle and should be changed regularly to ensure fresh. Depending on your driving habits and environment, you may need to change your cabin air filter as often every few months or as infrequently as once a year. If you live in a dusty area or frequently drive on unpaved roads, you’ll probably need to change your filter more often. Likewise, changing your cabin air filter more often can help minimize exposure to airborne irritants if you have allergies or other sensitivities.

Air Filter or Cabin Air Filter?

You’re not alone if you’re wondering whether you should get an air filter or a cabin air filter for your car. Knowing which one to choose can be confusing, but luckily we’re here to help.

Let’s start with the basics: an air filter keeps the air that enters your engine clean and free of harmful particles. A cabin air filter does the same thing for the air in your car’s cabin. So, if you want to protect your engine, you need an air filter. But if you’re concerned about the air quality you and your passengers breathe, you need a cabin air filter.

Potential problem with new(er) car models not using an ‬external, only an internal cabin ‬filter

Most new car models come with an internal cabin air filter to clean the air before entering the cabin. However, there are a few potential problems with this design. One is that if the filter gets clogged, it can reduce the amount of airflow into the cabin and make breathing more difficult. Another potential problem is that if the filter reaches wet, it can mould and mildew, creating a musty smell in the vehicle’s cabin.


Both filters are essential to the function of your car, but they serve different purposes. Check and replace both filters regularly to keep your vehicle running smoothly and efficiently. Have any questions about air filters or cabin air filters? Leave a comment below, and we’ll do our best to answer them!

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