Sylvania Substitube T8 Led 3' Replacement Bulb ▪Frosted Glass Tube ▪10 Watt ▪5000K ▪50000 Average Hour Life ▪1,450 Lumens ▪82 CRI ▪Operates On Instant Start And Select Programmed Rapid Start T8 Electronic Ballasts With 120-277V And 347V Input Voltage ▪Mfg #LED10T8L36FG850SUBG9 ▪"Pkg Of 25"