Fluorescent-Lamp

All purpose, two terminal, standard. Accurately timed to combine starts with long bulb life. For use where lights are turned on more than five times daily. Also, in devices where bulb life expectancy is two years or less. No.BP45FS2: Rating for 18"L-15 watt or 24"L-20 watt bulbs. No.BP45-FS4: Rating for 36"L-30 watt and 48"L-40 watt bulbs. *FOR 36" AND 48" BULBS * Carded *Wattage Rating=30-40