Osram SON-TS 250W Vialox Fc2 Sodium tube, Osram Vialox 250W Fc2 Sodium tube, Osram NAV-TS 250W Fc2 Sodium Tube, Osram Vialox NAV-TS 250W SON-TS Fc2 Sodium tube, Osram NAV-TS Vialox SON-TS 250W Fc2 Sodium tube (made in Europe)