Stauff SE 300 H 20 B 4 Balgaccumulatoren Replacement Filter Element for Return Line blank filter Element Replacement Filter Element for Return Line Filters Micron Rating: 20 µm Material: Filter Paper Outer Diameter (mm): 124 Cross reference: SFAD250 Glass Fibre Outer Diameter (mm): 90 5 Length (mm): 650 Sealing: NBR