Product listed as expected. However, When corn light is inputed to your search box you could be forgiven to believe that only the 4000Kelvin were availble then scrolling down there does not seem to be any logical order in which the stock is displayed. i.e cap size / power / colour temperature. I mistrust (not your fault!) quoted colour temps. I'd rather trial the products and assess both power and colour. You could also offer a conversion adaptor from E40 to E27. I am replacing a number of pre-historic Son lamps with internal ignitors E40's after bypassing the gear! Dr J