Green Creative 15T8G4/4F/850/BYP LED Light Tube, 48" T8 G13 Base 15W (32W Equivalent) - BYPass - 5000K - 1700 Lumens DLC qualified 32W fluorescent replacement Wide beam design with 325&deg; light emitting area Suitable for use in totally enclosed fixtures End-to-end lighting with no dark spots Frosted glass tube for increased light diffusion efficiency Exceptional efficacy Extra long 50,000 hr. lifetime Built-in universal voltage driver &ndash; Bypass installation UL listed &amp; FCC compliant