This genuine OEM replacement water filter is compatible with select Viking built-in refrigerators. If your filter is located in the bottom of the refrigerator, underneath the meat saver drawer, then you have a built-in Viking refrigerator and need this filter. Reduces lead, sediment, chlorine and more for up to six months. NSF tested and certified. Approximate dimensions: 8.7 x 2.2 x 2.2 inches.RWFDISP (AP5607178) replaces PM910247, PM910465, RWF-DISP, RWS-DISP.