1.Super high output lamp 2.Highest quality and consistent performance 3.Compatible with electronic ballast 400W Hight Pressure Sodium LampItem #FinishGlass SizeInitial LMCCTANSICRIAve.Life timeLU400ClearET1850,0002,000S512224,000 HLU400DiffuseED3747,5002,000S512224,000 HFeature:1. Supreme light efficency 2.Fine tuned light spectrum for horticultural applications 3.Compatible with elctronic ...