Product Info Catalog Electrical & Lighting Lighting Commercial Quartzline Halogen Heavy-Duty Lamps, 500-Watt, 2-Pk. Quartzline Halogen Heavy-Duty Lamps, 500-Watt, 2-Pk. Request a Quote UPC: 43168976749 Manufacturer: G E Lighting SKU: 578684 Model Number: 85048 Ge, q500t3/hd/scd2, 2 pack, 500w, 120v, quartzline halogen heavy duty lamp, t3 shape, mol 4.68", r7s base, 2000 hours life, 11,100 lumens, 2950 degrees kelvin color temperature. Brightness 5950 Lumens Estimated Yearly Energy Cost: $60.23 based upon 3 hrs/day. 11c/kWh. Cost depends on rates and use. Life: 1.4 years based upon 3 hrs/day Light appearance: 2950K Energy Used: 500 watts