A:Answer Yes, this refrigerator can be used without a filter by using the filter bypass plug. You must use the filter bypass plug when a filter cartridge is not available. The dispenser and the icemaker will not operate without the filter or filter bypass plug. To learn more, check out the Filter Bypass Plug section on page 8 of the Owner’s Manual, which can be viewed at the bottom of the Features tab on the product page of the Best Buy website. Lauren@GEAppliances