Description: MP50W / U / UVP / MED / PS / 4K / SSFCWatts: 50Life: 10,000Base: E26CRI: 654000Kelvin: 4000Package Qty: 12Case Qty: 12Add Info: Safe-Shield brand coatings are applied only to "MP"(Open Rated) metal halide lamps. ?MP?(Open Rated) metal halide lamps coated with Safe-Shield brand coatings are designed to be operated in open fixtures. Safe-Shield brand coatings applied to metal halide lamps are NOT designed to contain the lamp in the event of an arc-tube rupture. Safe-Shield brand coatings are designed to be shatter-resistant and serve to help contain the glass in the event the outer envelope is fractured. In the event the outer envelope is punctured or fractured cease to use the lamp immediately. Safe-Shield brand metal halide lamps are designed to be operated exclusively by the proper UL listed and ANSI designated ballast/fixture. For information regarding which lamp(Finish:ClearBase: E26