220v ballast T37 E27 E40 High Pressure Sodium Lamps hps 70w 150w 250w 400w 600w

 HPS lamp casts a high-intensity yellow-toned light that is great for illuminating streets and parking lots. Compared to incandescent and fluorescent lamp alternatives, this high pressure sodium bulb lowers maintenance costs, making it extremely economical and highly efficient. With an average rated life of 24,000 hours, this bulb can be applied in any position and used in enclosed fixtures.