The CFL Reflector includes a mains lead and E40 lampholder. Featuring a strengthened lamp support to cope with the additional weight of a CFL lamp and precise angles for optimum light distribution. CFL BULB CFL Lamps Self ballasted energy saving grow lamps. Self ballasted compact fluorescent lighting that offers growers the choice of low energy growing where heat or cost is a concern. Use 6400K for growth & the 2700K model for your budding or flowering stages, when used in your horticultural applications. These 300 watt lamps are ideal for supplemental lighting between your tall crops, maximizing the availability of high quality light to your chosen crop.