Type 18 filter elements for Mahle filter housings include fiberglass media, filter paper, and wire mesh for a variety of applications. They offer cleanable wire mesh media, achieve ISO 10/6/4 oil cleanliness class, high dirt holding capacity, and optimal filtration performance with low initial differential pressure. High stability at differential pressures, sizes from 10 to 940, differential pressure from 10 to 210 bar, and filtration classification from 3 µm.