I bought a 400W MH Digilux bulb back in Jan. of this year. After only a couple of weeks use it burned out. So I emailed the company that was listed on the box and they emailed me back instructions on how to get a replacement bulb. I followed the instructions, which were to destroy the old bulb and send them a picture of it, which I did, and they emailed me a tracking number to track the shippment of my replacement bulb! Is that EPIC WIN or what?!?!? Thanks Digilux!