Stauff SL 030 D 20 B Balgaccumulatoren Support Sleeve for Thread: 28x1 blank filter Element Support Sleeve for Thread: 28x1 Equal Cross Size Type: 06L Fitting Body only Steel 5 Length (mm): 249 β ratio >2 Replacement Filter Element for Pressure Filters Micron Rating: 20 µm Material: Filter Paper Outer Diameter (mm): 47 Inner Diameter (mm): 25