![Philips 327817 35-watt T15 SOX35 Low Pressure Sodium HID Light Bulb - High Intensity Discharge Bulbs - Amazon.com Philips 327817 35-watt T15 SOX35 Low Pressure Sodium HID Light Bulb - High Intensity Discharge Bulbs - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/61C4OgXcvKL._AC_UL600_SR600,600_.jpg)
Philips 327817 35-watt T15 SOX35 Low Pressure Sodium HID Light Bulb - High Intensity Discharge Bulbs - Amazon.com
![Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb - High Intensity Discharge Bulbs - Amazon.com Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb - High Intensity Discharge Bulbs - Amazon.com](https://m.media-amazon.com/images/I/61C4OgXcvKL.jpg)
Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb - High Intensity Discharge Bulbs - Amazon.com
![SOX Sodium, LPS or low pressure sodium lamp warming up. The lamp gradually turns from red to orange as the neon discharge warms the sodium metal up Stock Photo - Alamy SOX Sodium, LPS or low pressure sodium lamp warming up. The lamp gradually turns from red to orange as the neon discharge warms the sodium metal up Stock Photo - Alamy](https://c8.alamy.com/comp/2C6G108/sox-sodium-lps-or-low-pressure-sodium-lamp-warming-up-the-lamp-gradually-turns-from-red-to-orange-as-the-neon-discharge-warms-the-sodium-metal-up-2C6G108.jpg)
SOX Sodium, LPS or low pressure sodium lamp warming up. The lamp gradually turns from red to orange as the neon discharge warms the sodium metal up Stock Photo - Alamy
![Low Pressure Sodium Bulb | Pressure Sodium Lamps | Pressure Sodium Light - Gp20na 15v20w - Aliexpress Low Pressure Sodium Bulb | Pressure Sodium Lamps | Pressure Sodium Light - Gp20na 15v20w - Aliexpress](https://ae01.alicdn.com/kf/Hce9cd1c2106c48e38f4cc2afbdd100b5S/GP20NA-15V20W-Sodium-Lamp-Student-Laboratory-Low-Pressure-Sodium-Lamp-Polarimeter-bulb.jpg_Q90.jpg_.webp)