Stauff SS 022 E 10 B 4 pneumatiek Replacement Filter Element for Return Line blank filter Element Replacement Filter Element for Return Line Filters Micron Rating: 20 µm Material: Filter Paper Outer Diameter (mm): 70 Inner Diameter (mm): 41 Length (mm): 223 Sealing: NBR 25 010101 S A00463 Glass Fibre Outer Diameter (mm): 44 3 Length (mm): 247 Sealing: NBR