All tubes are in holland one sun label 1 Sherwood label and 2 orange globe label. All tested on an Amplitrex AT1000 with the following results Sun label- 91/87% emissions 90/86%GM Globe label- 74/88% emissions 68/81% GM Globe label- 76/80% emissions 68/77% GM Sherwood label- 62/78% emissions 59/72% GM