Philips SOX-E 131W BY22d shipped quickly! Philips quality guarantee at low prices! Our customer service is available for any request! Do not hesitate to contact us! Philips SOX-E 131W BY22d details 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 131W BY22d lamps have a diameter of 66 mm and a BY22d base type. Philips SOX-E 131W BY22d light bulbs will provide a monochromatic yellow light corresponding to a color temperature of 1800K. The brightness is also very good ( lumen). Philips SOX-E 131W BY22d light bulbs are very energy efficient: their lifespan is very long, 18000 hours on average! They are also dimmable so you can adjust the light intensity. Philips SOX-E 131W BY22d use Mainly used for lighting harbors, these light bulbs can also be used with airport lighting. These lamps can also be placed in orientation signs or as safety lighting.