4ft 20 Watt T8 LED Tube with UL & DLC Approval Single End Power G13 Bipin Base 60w Fluorescent Tube Replacement White Color 3000K/4100Koption 4FT 20 Watt 2000LM T8 LED Tube with UL&DLC Approval Single-end Power G13 Bipin Natural White Color Input Voltage (VAC):110-277Vac. CCT :4000K. CRI:80+ 4FT, 4000K G13 Base, UL& DLC listed, Single-end Power 2000Lm, 40W Fluorescent Tube Replacement No UV or RF interference