In accordance with the use of automotive filter，it can be divided into four categories:

1. Oil filter, used to filter the engine work required lubricants

2. Air filter, used to filter the air when the engine work

3. Fuel filter, including diesel filters and petrol filters, it used to filter the engine work required for diesel or gasoline

4. Air conditioner filter, used to filter the vehicle compartment air, which is including indoor circulation filtration, and indoor and outdoor air circulation filter