Our Dual Mode and Direct Replacement tubes are compatible with the ballasts listed below. Please refer to the Ballast Compatibility List that coincides with the tube model you are searching. Risk of damage or loss may occur if you install a ballast compatible tube with a ballast not listed below. Ballast Compatibility List must be checked prior to installation. We disclaim liability for any damage or losses by not following the instructions or referring to the Ballast Compatibility List.