The HI-PAR� 315w Lamp Conversion Adaptor enables the revolutionary 315w L.E.C (Light Emitting Ceramic) lamps to be used in your conventional reflectors with E40 screw in sockets. Therefore, you can integrate L.E.C technology into your garden using your current reflectors. Experience a better spectrum and intensity of light and if you want higher Yields (essential oils and flowers) with lower running costs, you must consider the HI-PAR� 315w Digital Ballast with the L.E.C 315w lamp. IN THE BOX: 1 x HI-PAR� 315w Lamp Conversion Adapter - E40 to PGZ18 Socket