What is the function of the cabin air filter?
2 Answers
The cabin air filter provides fresh air to the passenger compartment, effectively separating solid impurities such as dust, powder, and abrasive particles from the air, ensuring that drivers and passengers do not experience allergic reactions that could affect driving safety. Below is relevant information about cabin air filters: 1. Types: According to the filtration principle, air filters can be divided into several types, including filtration type, centrifugal type, oil bath type, and composite type. 2. Composition: The car cabin air filter is specifically designed for air purification inside the vehicle compartment. It is made from high-efficiency adsorption material—activated carbon composite filter cloth combined with long-fiber non-woven fabric, which effectively filters smoke odor, pollen, dust, harmful gases, and various odors.
The primary function of the cabin air filter is to purify incoming air by trapping dust, pollen, smoke, and other pollutants. It acts like a mask for your car, ensuring clean airflow. I've learned these filters typically capture particles as small as 0.3 microns, including PM2.5, preventing them from clogging the AC system or reducing blower efficiency. Regular replacement minimizes interior odors like urban smog while improving airflow and cooling performance. Neglecting changes may lead to restricted airflow due to dust buildup, bacterial growth, health risks, and shortened AC lifespan. As an owner, I inspect mine every 15,000 km, preferring activated carbon filters for enhanced adsorption. Technically, filter materials range from basic paper to high-efficiency mesh – selection must match vehicle specifications. Overlooking this may increase AC power consumption or cause odor issues. I recommend DIY replacement or professional service for maintaining a safe, comfortable driving environment.
