Includes:190831 DAD-1 Desiccant refill190727 HAF-6 First stage water separator filter element (5 microns)Image is representative of product, but may vary from actual item. (Does not include 190845 HAF-28 Second stage coalescing filter element (.01 microns). See part number 802182 DAD-600-1 for kit that includes Desiccant refill, 1st stage filter element, 2nd stage coalescing filter element.) DeVilbiss 130030 DAD-600 Tuneup Kit for DAD-500