Which Direction Should the Car Air Conditioning Filter Be Installed In?

1 Answers
SanNaomi
07/30/25 8:03am
Car air conditioning filter installation direction is indicated by a small arrow printed on the side of the air filter. Simply install it according to the arrow direction, which represents the airflow direction of the air conditioning system. Some filters may have the word 'UP' next to the side arrow, indicating that the side with the arrow should face upwards. Functions of the car air conditioning filter: 1. Ensures the filter fits tightly against the housing, preventing unfiltered air from entering the cabin; 2. Separates dust, pollen, and solid particles from the air; 3. Adsorbs moisture, soot, ozone, odors, carbon oxides, SO2, and CO2 from the air.
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