The WaterSentinel WSBQ-1 replacement filter is an alternative/compatible filter for the Whirlpool WHKF-R-PLUS, 3M CS-52, and Bosch 640565 refrigerator water filter.
The WSBQ-1 fits any refrigerator that currently uses the Whirlpool WHKF-R-PLUS, 3M CS-52, or Bosch 640565.
The WSBQ-1 fridge filter is also compatible with the following part numbers:
Cuno / 3M
- WHKFR Plus, WHCFR-Plus
- Whirlpool UltraEase Plus Replacement Filter
- CS-52, CS-522, CS-532, CS-512, CS-562, OCS CS52, CS-51, CS-450, CS-452
- 55866-05, 55866-06
- 640565, 1257074