Supra Life SOX low pressure sodium lamps provide 30,000 burning hours and last up to 4 times longer than standard bulbs! Supra Life sodium lamps are engineered to offer top performance, energy efficiency, and long life with the lowest operating cost available. Bulborama high pressure sodiums provide warm tone lighting that reduces glare and eye strain, and have the flexibility to operate in any position, in open and closed fixtures, without reducing lamp performance.