Article number(s) supplier: CS-52, 640565, 55866-05, 55866-06 CS-51, CS-450, CS-452, 70020002518, EVOLFLTR10, CS51 Dual Action Filter, WFS-004 Balay: 640565: 640565: 55866065: 5586605 Ariston: 640565: 640565: 5586606 Bosch: Evolution 500 Series, B20CS50SN