Stauff RE 225 G 10 B 4 PTFE Slang Replacement Filter Element for Return Line blank filter Element Replacement Filter Element for Return Line Filters Micron Rating: 10 µm Material: Filter Paper Outer Diameter (mm): 142 Inner Diameter (mm): 94 Length (mm): 385 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): 114 Inner Diameter (mm): 68 5 Sealing: NBR