No digis except for one truly expensive unit by GE
here's a great deal on a mag coil setup...is what I have and I love it
http://www.htgsupply.com/Product-HTG...Grow-Light.asp
Bulbs:
https://www.lightingsupply.com/CDM40...R-4K-ALTO.aspx
Bulbs and info:
http://advancedtechlighting.com/cmhfact3.htm
More cmh info than you could need...lol:
https://www.icmag.com/ic/showthread.php?t=72215
There are vertical versions as well as horizontal: there are also some out for regular metal halide ballasts
Also you do not want to use them in sealed hoods or cool tubes as the glass will block the uvb produced which we truly want for potency accentuation
Hope it helps and I love my cmh setup
Namaste'