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Core & Coil Ballast, Low Pressure Sodium, Lamp Wattage: 35/55, 120-277 Volt, ANSI Code: L70/L71
Core & Coil Ballast, Low Pressure Sodium, Lamp Wattage: 55, 120-277 Volt, ANSI Code: L71
Core & Coil Ballast, Low Pressure Sodium, Lamp Wattage: 90, 120-277 Volt, ANSI Code: L72
Core & Coil Ballast, Low Pressure Sodium, Lamp Wattage: 90, 347/480 Volt, ANSI Code: L72
Core & Coil Ballast, Low Pressure Sodium, Lamp Wattage: 180, 120-277 Volt, Lamp Type: SOX180, ANSI Code: L74
Core & Coil Ballast, Low Pressure Sodium, Lamp Wattage: 135/180, 347/480 Volt, ANSI Code: L72/L74