Stauff SP 653 PP IS M W4 Vlotterschakelaars H1220843 101200 PF161245 1202349 blank filter Element H1220843 101200 PF161245 1202349 Reinforcement: four six high tensile steel spirals Clamp Assemblies Standard Series Size 6 Ø53mm Polypropylene W4 Socket Cap Screw Weld Plate