Goodlite G-20429  10-watt 2-Feet T8 T10 or T12 LED Tube 20W 17W Fluorescent Bulb Replacement, UL Approved Single End Power, Clear 2FT 10 Watt T8 LED Tube with UL Approval Single-end Power G13 Begin 40W 32W Fluorescent Tube Cool White Color No Flickering/Noise-Free Design 1000 Lumens, 50,000 Hours Rated Average Life Internal Driver, One side Power, CUL Listed- Compliance to North American Safety And Efficient Standards Ballast/starter of existing fixture must be bypassed