EC21 Product Catalogs - k 13400 http://www.ec21.com/ec-market/k 13400.html High Pressure Sodium Lamphttp://rebeccahjh.en.ec21.com/High_Pressure_Sodium_Lamp--3638138_3638243.htmlk) CRI Finish no. (w) Initial(lm) Mean(lm) MOL(in) LCL(in) High pressure sodium lamp-Medium screw base HPS-3520090715