Double-ended one pin UV germicidal lanps Quick start, save the circuitry, simplify the setting.TableTypeODLengthPowervoltagecurrent1m UV intensityLamp set(type)(mm)(h)(w)(V)(mA ... -Z1554null155465null425200nullnullnullZW14S15Y-Z287null28714null42535nullnullnull For example: ZW40S25Y-Z1199 stands for:UV germicidal lamp ,150W, double-ended, OD 25mm, ozone produce, ozone free, tube ...