Answer Hello Casey! We do not have the exact measurements listed for the filter WB2X8476. However, using our picture (with each square in the back drop being 1") the filter is approx 14" X 11 1/4". This filter is used on your GE model JGP389WEV1WW. Thanks! Read More... Answered by AppliancePartsPros.com | Friday, July 1, 2011