Bulb Sodium to Halide Conversion
Item No. 47607000
400 Watt Conversion HPS Lamps are meant to be used with a metal halide ballast to provide the High Pressure Sodium spectrum. The NH360 works in a 400 MH ballast and the NH940 operates in the 1000 MH ballast. Sodium to Halide conversions are used in sodium ballasts.