Philips Ceramalux® ALTO® High Pressure Sodium Bulb, HID, C400S51/ALTO 12PK, 400 W, 95 VAC, 4.6 A, High Pressure Sodium Lamp, E39 Mogul Lamp Base, ED18, 50000 Lumens, 24000 hr Average Life, Warm White, 20 CRI, 2100 K Color, Clear Lamp, S51 Ballast, Open Fixture, 2-1/4 in Dia x 9-3/4 in OAL
Philips Ceramalux® ALTO® High Pressure Sodium Bulb, HID, C400S51/ALTO 12PK, 400 W, 95 VAC, 4.6 A, High Pressure Sodium Lamp, E39 Mogul Lamp Base, ED18, 50000 Lumens, 24000 hr Average Life, Warm White, 20 CRI, 2100 K Color, Clear Lamp, S51 Ballast, Open Fixture, 2-1/4 in Dia x 9-3/4 in OAL