E-C E-D E-E E-F E-G on Line Filter Element Kit for Kaeser Air Compressor PartAs there are many models, the pictures and models may not match, but this does not affect the order. For details, please refer to the specifications in the picture. Non professionals please consult the seller before purchasing. Otherwise, the wrong accessory will be ordered. E B High capacitive surface filtration by pleated filter fabric for course separation of solid particulate. E C High capacitive coalescing depth filtration by two layered pleated