31 Watt, T8 850 Phosphor 1-5/8" Eco-Shield® linear fluorescent bulb with U-Bend Rapid Start and medium bi-pin base, 12 pack
NoteAverage life under specified test conditions with lamps turned off and restarted every three hours. Lamp life is longer if lamps are started less frequently. Nominal length is measured from face of base to maximum distant outside point of U-Bend. Leg spacing measured center to center is approximately 6” for /6 product, 3-5/8” for /3 product and 1-5/8” for FB31 product. .
