Ahh ok, well most of these fan/rad active cooling setups have come over from the extreme PC building / moding scene, I am pretty sure the connector couplings are a standard fitment, the threaded parts I've seen are G1/4 BSP (British Standard Pipe Specification), so its just a case of finding the ones you like the most I would say, as the RAD you have is probably G1/4, there is now an abundance of manufacturers for these and I've seen some people using standard 15mm central heating copper pipe for their tubing/pipes on the pc moding stuff.

I believe the guy in the video is using the Alphacool eiszapfen quick release couplings above his spindle, not sure on the rest as cant see much in the Vid.