Stauff RB+RUL 60.3 PA W32 Sensoren Clamp Assemblies Standard Series Size blank filter Element Clamp Assemblies Standard Series Size 3 Ø23mm Polyamide W4 Cover Plate Clamp Assembly Standard Series Size 6 Ø28mm Polypropylene W10 Weld Plate Cover Plate Polyamide DN 50 Carbon Steel zinc coated 60