Stauff RN 075 E 05 B 4 Stauff Replacement Filter Element for Return Line blank filter Element Replacement Filter Element for Return Line Filters Micron Rating: 25 µm Material: Stainless Mesh Outer Diameter (mm): 70 Inner Diameter (mm): 41 Length (mm): 220 Sealing: NBR Replacement Filter Element for Return Line Filters Micron Rating: 100 µm Material: Stainless Mesh Outer Diameter (mm): 142 Inner Diameter (mm): 94 Length (mm): 262 Sealing: NBR Glass Fibre Outer Diameter (mm): 70 Inner Diameter (mm): 41 Length (mm): 309 Sealing: NBR β ratio >200