600W Sodium Bulb Sylvania 600W Sodium Bulb (BUSD600SLI)This 600W sodium bulb from SLI lighting has proven to be an excellent choice for any 600w electronic ballast.
Provides high efficiency and high lumen output
Made in Belgium
Manufacturer's Product Information
... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.