The best price for Philips SOX-E 91W BY22d ! Use Philips quality while enjoying significant discounts on large quantities! Fast shipping, contact us! Philips SOX-E 91W BY22d specifications Philips SOX-E light bulbs are low pressure sodium vapor discharge lamps that offer outstanding luminous efficiency. Master SOX-E are more efficient than Philips SOX classic lamps because they have less thermic loss, resulting in improved efficiency. Philips SOX-E 91W BY22d lamps have a diameter of 66 mm and a BY22d base type. With a color temperature of 1800K, Philips SOX-E 91W BY22d lamps provide a monochromatic yellow light for brightness of lumen. With a lifespan of 18000 hours, Philips SOX-E 91W BY22d light bulbs are very energy efficient and allow you to space out replacements. Thanks to their UV filter, objects will not suffer from fading. Use of Philips SOX-E 91W BY22d Philips SOX-E 91W BY22d are used for lighting on airports and lighting in harbors, with large docks.