Stauff RP 090 E 03 B 4 assemblagetechniek Straight Male Stud Fitting Size blank filter Element Straight Male Stud Fitting Size Type: 15L 1 4 BSP Metallic Sealing with Cutting Ring & Union Nut Steel Thread Reducer Thread1: BSPP Male R1 Thread2: BSPP Female R1 1 4 Steel Glass Fibre Outer Diameter (mm): 96 Inner Diameter (mm): 43 β ratio >200