OHLECTRIC T53 Low-Pressure Sodium HID Clear Light Bulb | 1800 Kelvin White Color Light with BY22D Base | 55-Watts Energy Efficient Bulb (Pack of 1) OL-50948 - Amazon.com
GE 55W Low Pressure Sodium Lamp / GE SOX55W/ HID Bulb Indetouch Exporters Enterprise