I cant find a straight answer really, it seems like this company has great customer service, but everything else is different, then this company seems to have great ballasts, but seem to have terrible bulbs.
I found a set of 10,000k bulbs, and 2 ballasts in my shed and they were H1's (Used them in my 95's projectors, then I won a nice set on X2), so I put them in my fogs. They dont flicker, nor have or have I had any problems with them up until a couple days ago the drivers side bulb didnt wanna ignite, but after a few tries, it was fine. (And still is).
I bought a set of Xentec ultra mini ballasts, (Theyre damn small, and waterproof), and a set of bulbs from Xenon Wholesale (eBay vendor).
Theyre H3, 6000k (Ordered 5k but...