A 135 Watt SOX low pressure sodium lamp with a BC (By22d) cap. SOX lamps have an extremely high efficiency and emit a yellow light. SOX Lamps are frequently used for road lighting, crossings, airports, docks, quarries and security lighting etc.
Manufacturers Part No (where applicable) : 135wsox
This GE/Osram/Sylvania/Philips/Venture product is available for just £44.99
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