A4L oil filter, what brand is the original factory?
Mann filter using efficient filter medium, high filtration precision, containing dirt capacity, anti erosion ability and the use of chemical substances, solid shell with high quality appearance, accurate opening pressure bypass valve and the best performance of the check valve (containing silica gel, the best performance)
Mann filter is the German Man Hummel under the brand of Chinese in the customer service market, Mann filter is manhumoer only filter brand promotion. In the filter industry, Mann brand filter is always adhere to the main assembly standard of high quality filter brand. Any one of the Mann filter quality is in line with the host manufacturer, host assembly standards.
