Stauff SPAL 6042 AL DPAL AS M W5 Vlotterschakelaars 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): 55 Inner Diameter (mm): 26 Length (mm): 171 Sealing: NBR Clamp Assemblies Heavy Series Size 11S Ø245mm Aluminium W1 Cover Plate Hex Head Bolt Profiled with Initial Tension