Stauff SPAL 4025 AL DPAL AS M W21 Zittingkleppen Pressure Filter Element Inorganic Glass blank filter Element Pressure Filter Element Inorganic Glass Fibre 20µm Male Stud Barrel Tee Size Type: 16S M22x1 Hex Head Bolt Weld Plate Clamp Assemblies Heavy Series Size 4S Ø25mm Aluminium W21 Cover Plate