sterl lighting sl-0071 25 watts t10 e26 standard medium base 120v 25w 4.92 inch 154lm clear tubular string incandescent light bulb picture lamps to display art 2700k warm white clear 6 pack sterl lighting sterl lighting pack of 6 of 25 watt t10 incandescent tubular light bulb that works with 120 volts and fits to e26 medium base. this is a clear finished that provides 2700 kelvin a comfortable warm white glow with any fixture. it produces 154 lumens of light output, and lasts for an average life span of 1,500-hours. this is an incandescent lighting bulb which is commonly applied for decorative application, general purpose, office, string lights, ceiling fan lighting, sconces and special purpose lamps. the lighting effect that it gives sets the ambiance where it is placed.