FI RVZ 20SR WD B W3 3 MS Tandringpompen Clamp Assembly Heavy Series Size blank filter Element Clamp Assembly Heavy Series Size 6S Ø50mm Polypropylene W3 Mounting Rail Nut Cover Plate 8mm Polypropylene W12 Weld Plate for double Clamps Cover Plate Size: 20S 3 4 BSP Zinc Nickel Plated