Compatible Replacement for Kitchenaid 2168701, Bosch CS-52 640565, W1085590, EVOLFLTR10, WHKFR-PLUS, AP3961137 Refrigerator Water Filter Cartridge by OnePurify RFC1800A 2PK HEALTHY CHOICE: Our Active Carbon Block Filter is designed to reduce levels of chlorine off-flavors & odor, lead cysts and other impurities & contaminants. For optimum performance replace every 6 months EASY TO INSTALL: Simple and clear instructions AFFORDABLE OPTION: Costs less than OEM filters without compromising any quality or flow rate CERTIFIED PERFORMANCE: WQA Certified. Manufactured in an ISO9001 / FDA Registered facility COMPATIBLE REPLACEMENT FOR: CS-52, CS 52, CS-452, 452, CS-522, 522, CS-532, 532, CS-562, 562, OCS CS-51, 51, CS450, CS-512, 512, 55866-05, 55866 05, 5586605, 55866-06, 06, 5586606, 700200002518, 640565, AP3961137, 1257074, EVOLFLTR10, WHKFR-PLUS, WHKFR PLUS, WHKF-R-PLUS, WHKF WHCF-R-PLUS, WHCF W1085590, 56932, 2168701, EVOLFLTR10