Precision Lighting's G14T5L4 single ended, germicidal lamp features an ozone free design. Operating at 14 watts, this T5 tube has a miniature bi-pin base and emits short-wave germocidal UV light. Measuring at 11.3 inches in length, the germicidal lamp has an long-lasting life rating of 8,000 hours. Use this germicidal lamp for purification and inspection applications. This bulb should not be used for illumination purposes.