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The Water Sentinel WSB-1 is the correct compatible replacement filter for the following filters:
The Bosch 640565 Compatible Premium Ice & Water Filter also fits the following refrigerators:
This Bosch water filter provides you with clean, pure, great tasting water and ice through your Bosch refrigerator. This water and ice filter should be changed every 6 months or 400 gallons, whichever comes first.
The Water Sentinel WSB-1 specifications: