SGF-BO52 fits for Bosch 640565 EVOLFLTR10 CS52 CS51 Refrigerator Filter (2 Pack)
Change filter frequency: every 4-6 months. 640565 EVOLFLTR10 B20CS5 (not found) B20CS8 (not found) 1257074 5586605 55866-05 5586606 55866-06 70020002518 AP3961137 W1085590, Cuno CS51 CS-51 CS52 CS-52 CS450 CS-450 CS451 CS-451 CS452 CS-452 CS-562 OCS CS52.