Sylvania 4ft T8 LED Tube Lights, 2100 Lumen, 13 Watt, 3500K/Warm White, Replaces 32 Watt T8 Fluorescent Tubes, Case of 25

SubstiTUBE IPS LED T8 lamps are an energy saving alternative, designed to replace traditional fluorescent T8 lamps. The use of occupancy or vacancy sensors can be installed with the existing instant start ballasts for optimal energy savings. Produces a brightness of 2100 lumens. Voltage: 120/277V. Designed to last up to 60,000 hours. Dimmable design lets you customize the light output. Frosted glass evenly disperses light at a 220 deg. angle. Works with most existing T8 fluorescent ballasts for simple installation. Backed by the manufacturers 5-year limited warranty. 3500-Kelvin LED offers a warm white light appearance. UL Claim Validation - UL environmental claim validations lend third-party credibility to single-attribute environmental claims. Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.