Stauff RE 300 A 10 B 2 CtrlX Drive 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 8024986949735 Fr Sy1 1 4'' 5 04 Rmsa 5 Inner Diameter (mm): 96 β ratio >2