Attention1: Before assembling, the cutting chips, dust, etc. in the piping must be fully blown off to prevent mixing of the sealing material fragments2: The direction of the entrance and exit must not be reversed, it must be installed vertically3: Do not install near the air compressor, should be installed near the gas device4: Regularly check the water cup for cracks and avoid direct sunlightPlease note that the filter element should be cleaned regularly, it is recommended to clean it at least once every two weeks. The specific cleaning method is to put the filter element in an organic solution (such as gasoline, alcohol, etc.) and clean it, and then use it after blowing it with compressed air; in addition, the condensate and water separated in the filter cup must be removed in time. So as not to be taken away by compressed air. It is recommended to check at least twice a week.