Antai standard replacement lamps offer good color rendering, high luminous efficacy as well as lighting comfort and long life. They are suitable for use with rapid start electronic ballasts. PL lamps with 2-pin or 4-pin fittings are used with luminaires containing control gear to match the characteristics of the lamp. Different fittings are designed to ensure that only lamps of the correct rating can be installed thus matching the lamp to the control gear. Most lamps are available in a variety of colours ranging from 2700K ~ 6400K.(Kelvin) .