this is not a filter. The water filter bypass attaches in the water filter head and allows the water to flow to the dispenser and ice maker when the filter has been removed. Approximate dimensions: 4.37" x 2.87" x 2.5"R0000009 (AP4245984) replaces 12319901, 12319902, 12319903, 12319904, 12388301, 12388302, 12388303, 822628, PS2165428, R9800638.