Product Info Catalog Electrical & Lighting Lighting Commercial Sodium Light Bulb, Clear, 50-Watt Sodium Light Bulb, Clear, 50-Watt Request a Quote UPC: 43168264211 Manufacturer: G E Lighting SKU: 441386 Model Number: 26421 Ge, lu50/med, 50w clear, sodium light bulb, maximum overall length 5-7/8", medium base, 4000 lumens, 24000+ hours, 1900 kelvins, cri=22. Brightness 4000 Lumens Estimated Yearly Energy Cost: $6.02 based upon 3 hrs/day. 11c/kWh. Cost depends on rates and use. Life: 21.9 years based upon 3 hrs/day Light appearance: 1900K Energy Used: 50 watts