What is the difference between different Wabco Air Dryer?

Speaking of air dryer, the best brand in the industry is Wabco. However, there are several colors that are popular on the market. There are several colors. Common ones are black, white, and blue, and less common are silver and gold. So what are the differences between the above five kinds of coating Wabco air dryer?
Black paint represents supporting products supplied to commercial vehicle manufacturers, which belongs to the front -installed field. The internal structure and molecular sieve in the black pot are basically the same as the white can.
The blue -painted Wabco dry tank is a newer product, which is specially launched for the Chinese market. Blue pot Wabco is a domestic product. It has better cost control on the basis of German standards, and its cost performance is higher. In short, the price is lower after localization. Blue pot Wabco is mainly used in the after -sales market.
White pot of Wabco is also a product used in the after -sales market. Compared with the blue pot Wabco , the white can is a product imported from Germany, and its performance is better. Of course, the price is higher.
Silver pot, Wabco, has one more filtering and filtering function than white can. It has domestic and imported ones, and the import price is much higher.