Philips Low Pressure Sodium Lamp SOX Plus 135W BC
A 135 Watt low pressure sodium SOX PLUS lamp with a BC (By22d) cap. These lamps have an extremely high efficiency and emit a yellow light. They are frequently used for road lighting, crossings, airports, docks, quarries and security lighting etc. The SOX PLUS lamp has a uniform sodium distribution in the discharge tube through dimples for a more stable discharge resulting in higher efficiency and better lamp life.
