FI RSW 18LM DK B W3 MS Rotex Koppeling Clamp Assembly Standard Series Size blank filter Element Clamp Assembly Standard Series Size 1a Ø12mm Polypropylene W5 Weld Plate Socket Cap Screw Profiled 5 Taper with Cutting Ring & Union Nut Steel External Metallic Sealing Ring with Cutting Ring & Union Nut Steel Zinc Nickel Plated