Brand new sealed water filter-we just got a new fridge, so no longer needed.

• [Compatible models] 3M Cuno CS-52, CS-51, CS-450 , CS-451, CS-452, CS-512, CS-522, CS-532, CS-562, OCS CS-52, CS-51. Bosch 640565, AP3961137, 1257074, 56932, 2168701, 70020002518, W1085590, EVOLFLTR10 , B20CS5. 5553629, 55866-05, 5586605, 55866-06, 5586606. WHKFR-PLUS, WHKF-R-PLUS, WHCF-IMTOS, WHCF-IMPLUS, WHKFR Plus WHCF-R-Plus 56932, W1085590, 8668597, C00094379, C00097913, D846181. Also compatible with WSB-1, WSQ-1, Wf297, RWF1100, RFC1800A, RWF2700A, GS-BQ1, EP-CS52, SGF-BO52, WF-640565.