Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb
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As far as lamp placement is concerned, you may position it in any manner you like. In the case of this bulb, there is a problem with heat generation
This is advance This ballast kit is suitable for low pressure sodium lamps of up to 90 watts
Selected User Reviews For Philips 321521 90-watt T15 SOX90 Low Pressure Sodium HID Light Bulb
This is the Philips 321521 90-volt low pressure sodium HID bulb
I think these lamps are a little bit cool, they look like something from a science fiction film. don't recall ever seeing them used in the United States, but I suppose it is possible. Unless color accuracy is of utmost concern, these lights won't be used for anything. They are very nearly monochromatic in nature.
I am amazed. There is no word on whether these will be.
It is a great vendor with excellent service and communication. The products are always packaged right and arrive quickly.
I really like the way it works.
This bulb is bright and it was a good price!.
With enough power to run my large grow room, and does not add much to my energy bills.