Sylvania Lot of 4 Sylvania GTE Quartz Halogen Lamp 1500W 277V 58858-2 Bulbs Vintage NOS

Lot of 4 Sylvania GTE Quartz halogen lamps designed for high-output performance. These 1500W 277V bulbs (model 58858-2) are engineered for horizontal operation and provide powerful illumination for commercial or industrial applications. Each bulb is housed in its original vintage packaging, ensuring the quartz remains protected until installation. Ideal for specialized lighting fixtures requiring high wattage and specific voltage compatibility.