The SSL-G is our G25 Globe Covered Compact Fluorescent 6 Lamp, which lasts up to 10,000 hours while remaining flicker free. These bulbs provide an excellent light output. The compact size fits any standard incandescent fixture. Our SSL-T2 is ideal for ceiling fixtures, wall scone fixtures and residential or commercial uses and comes with a two year warranty. The SSL-G bulbs are energy star certified and UCL listed.