THIS IS A GENUINE BOSCH PART
CAN ALSO USE ALTERNATIVE FILTER: EFF-6026B
Part Number Cross Reference: CS-52, CS-51, CS-451, CS-452, CS-450, CS51, CS451, CS450, CS51, CS452, CFS117S, B20CS5, 1257074, 55866-05, 5586605, 5586606, 56932, 640565, 70020002518, AP3961137, B20CS5, B20CS8, EVOLFLTR10, W1085590, WHCF-R-PLUS, WHCFRPLUS, WHKF-R-PLUS, WHKFRPLUS