Stauff SP 106.4a PA DP AS M W5 Bewakingsmodules Straight Male Stud Standpipe Fitting blank filter Element Straight Male Stud Standpipe Fitting Size Type: 38S M48x2 Clamp Assemblies Heavy Series Size 8S Ø109mm Polypropylene W1 Cover Plate 4mm Polyamide W5 Weld Plate Cover Plate with Initial Tension