Replace the out-dated fluorescent lights which use up more power and need constant replacing. TCP T8 Tube Lights offer high efficiency without the large power consumption. Utilize these 4FT LED shop light tubes with your already existing ballast fixture (check ballast compatibility list) or in a Bypass direct to AC input configuration. The plug and play feature of these T8 bulbs make changing lights a swift and easy experience. MODEL # - LT818A50K DESCRIPTION - A 4 foot glass 15 Watt Tubular T8 Soft white fluorescent Bulb RECOMMENDED USES - Ideal in kitchen's or any home application BASE TYPE - Medium (G13, Bi-Pin) BULB TYPE - Tube(T8) WATTAGE -15W WATT EQUIVALENT - 32W COLOR TEMPERATURE - White (5000K) C.R.I. -80 BULB LIFE (based on 3 hrs per day) - 50,000 FEATURES - Energy saving for indoor use only UPC -762148112846 PACKAGE DIMENSIONS -52 x 5 x 5 inches