Luceco T8 15W (1800 Lumen) Ballast Compatible 4ft LED Light Tube - Pack of 4 Ballast-Compatible Replacement: LED bulb fits into your T8 fluorescent fixtures with no rewiring necessary and no flickering or buzzing Energy Savings: Get the same illumination with a fraction of the power - saving you up to 60% over traditional fluorescents Superior Lighting: Continuous, even illumination across the tube with no hot or cold spots Improved Safety: UL-listed tube features frosted lens with shatterproof construction and stays cool when lit for safer, easier handling Consistent Performance: Instant-on illumination with no warm-up or wait time