Osram Sylvania Low Pressure Sodium Lamp, Designation: SOX180, 180 watt, T21 Bulb, Medium Bayonet (BY22D) Base, Tubular, 32000 lumens, 18000 hr Average Life, 1800 K, Clear Lamp, L74 Ballast, Enclosed Fixture, 44.1 Inch Diameter, 2.625 Inch Length

• Osram Sylvania Low Pressure Sodium Lamp, 180 watt, T21, Medium Bayonet (BY22D) Base, 32000 lumens
• ATR Lighting

Osram Sylvania Low Pressure Sodium Lamp, 180 watt, T21, Medium Bayonet (BY22D) Base, 32000 lumensATR Lighting