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Royal Lite SOX135 135w, low pressure sodium lamp
high-pressure sodium lamp
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Osram Sylvania GIDDS-685605 Lumalux High Pressure Sodium Lamp, E17, 50W, 52V, E26 Medium, Clear, Universal Burn, 2.5" x 2.25" x 5.75" - Amazon.com
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1000Watt High pressure sodium mog base lamp
![70w Son E I - High Pressure Sodium Lamp - [Edison Screw - E27 - ES Cap] (Radium 344 07813) - Amazon.com](https://m.media-amazon.com/images/I/51xz5stcj+L._AC_UF894,1000_QL80_.jpg "70w Son E I - High Pressure Sodium Lamp - [Edison Screw - E27 - ES Cap] (Radium 344 07813) - Amazon.com")
70w Son E I - High Pressure Sodium Lamp - [Edison Screw - E27 - ES Cap] (Radium 344 07813) - Amazon.com
High Pressure Sodium Lamp Plant Lighting Growing Lamp Bulb Yellow High Efficiency 220V E27 E40 70W 100W 250w 400w 1000w
The Sodium Lamp - How it works and history
Sylvania LU400/ECO 400w Lumalux High Pressure Sodium Light Bulb – BulbAmerica
