Installation direction arrow of automobile air conditioning filter element

Car air conditioning filter must be replaced on time, but I don't know that I have to pay for spare parts when I go to the store to replace it. Besides, I need an extra charge, which will be higher. In fact, the replacement of automobile air conditioning filter element is relatively simple, and I can choose my own DIY spare parts, which is also more cost-effective. The price of ordinary automobile air conditioning filter is around 50 yuan. There are two kinds of air-conditioning filter elements: front and back, so be sure to recognize them when replacing them.

How to divide the front and rear of air conditioning filter element

In fact, the arrow symbol direction of automobile air conditioning filter element also defines the front and back of air conditioning filter element. The direction of the house with the arrow symbol indicates the direction of air flow, that is, the safe direction. When the arrow symbol is up, it is the front and must face the air flow direction.

You can also observe the air filtration surface carefully to distinguish the front and back. Generally, the rough surface is the front, facing the airflow direction, and the surface with supporting structure is the back, facing away from the airflow direction; The gray-black house with activated carbon is the front facing the airflow direction, and the white face is the back facing the airflow direction.

Replacement cycle of air conditioning filter element

The replacement cycle time of automobile air conditioning filter depends on my travel situation, external conditions and timely solar terms. In general, family cars in big cities are1-20,000 kilometers or replaced once a year. If the natural environment of ordinary driving is poor and there is a lot of dust, the air conditioning filter element is very easy to get dirty, so try to reduce the replacement cycle time.

In addition, the air conditioning utilization rate is different in different time periods, and the replacement cycle time is also different. Air conditioners are used less in summer and autumn, and the replacement cycle time can be slightly longer.

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