![UltraGROW UG-EB600 - 600 Watt - Digital Ballast - Grow Light High Pressure Sodium or Metal Halide - Dimmable - Universal Plug - 120~240 Volt UltraGROW UG-EB600 - 600 Watt - Digital Ballast - Grow Light High Pressure Sodium or Metal Halide - Dimmable - Universal Plug - 120~240 Volt](http://www.bulbscanada.com/image/cache/data/Grow%20Light/ug-eb600_500x500_3-500x500.jpg)
UltraGROW UG-EB600 - 600 Watt - Digital Ballast - Grow Light High Pressure Sodium or Metal Halide - Dimmable - Universal Plug - 120~240 Volt
![VIVOSUN 1000W Dimmable Digital Ballast For Grow Light, Soft Start Program &Performance (Space Gray) | emjmarketing.com VIVOSUN 1000W Dimmable Digital Ballast For Grow Light, Soft Start Program &Performance (Space Gray) | emjmarketing.com](https://i.ebayimg.com/images/g/CmQAAOSwtShjR2Cp/s-l500.png)
VIVOSUN 1000W Dimmable Digital Ballast For Grow Light, Soft Start Program &Performance (Space Gray) | emjmarketing.com
![UltraGROW UG-EB400 - 400 Watt - Electronic Ballast - Grow Light High Pressure Sodium or Metal Halide - Dimmable - Universal Plug - 120~240 Volt UltraGROW UG-EB400 - 400 Watt - Electronic Ballast - Grow Light High Pressure Sodium or Metal Halide - Dimmable - Universal Plug - 120~240 Volt](http://www.bulbscanada.com/image/cache/data/Grow%20Light/ug-eb400-500x500.jpg)
UltraGROW UG-EB400 - 400 Watt - Electronic Ballast - Grow Light High Pressure Sodium or Metal Halide - Dimmable - Universal Plug - 120~240 Volt
![TOPHORT Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp Blue (400W) : Amazon.ca: Patio, Lawn & Garden TOPHORT Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp Blue (400W) : Amazon.ca: Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61TWAvXp5JL.jpg)