400W HPS High pressure Sodium Lamp High illuminant effi ciency has attained 130 lm/w. Less power consumption. 400W HPS High pressure Sodium LampITEM NO.:17216005N.W(KG):3.5G.W(KG):4DIMENSION(CM):26*20*27PACKAGE:12pcs/carton1High illuminant effi ciency has attained 130 lm/w.2)Less power consumption.3)Golden white light can penetrate fog. Specifications:1)Watts:400W2)MOL:285mm3)Diameter:47mm4) ...