Stauff FB+RUK 318 PA W1 Basisplaat Clamp Assemblies Heavy Series Size blank filter Element Clamp Assemblies Heavy Series Size 7S Ø90mm Polypropylene W3 Cover Plate Straight Reducer with 24° Taper O Ring Size Type1: 28L Size Type2: 22L Steel Polyamide DN 300 Carbon Steel untreated 318mm