Gavita Pro Plus 1000 watt EL double-ended 400 V lamp is one of the best 1000 watt HPS lamps on the market. Specifically designed for high frequency electronic ballasts, it has a connection at each end of the lamp, removing the need for a frame wire inside the lamp. For use with Gavita fixtures only. The jacket of a double-ended lamp is made from quartz glass. Do not handle with bare hands. Oil from your hands can damage the lamp. Warranty applies only if these lamps are operated with a Gavita Pro series ballast. This DE lamp kit also includes a FREE HR96 reflector.