Stauff RE 090 G 20 B 4 Vlotterschakelaars Replacement Filter Element for Return Line blank filter Element Replacement Filter Element for Return Line Filters Micron Rating: 40 µm Material: Stainless Mesh Outer Diameter (mm): 70 Inner Diameter (mm): 41 Length (mm): 220 Sealing: NBR RHK800M10B Glass Fibre Outer Diameter (mm): 95 Inner Diameter (mm): 48 β ratio >200