Follow this link for information on the 50 Quart Coolant Flush Machine.  Many other coolant flush machines are also available.

http://www.kenvo.com/downloads/Brochures/RCS%20550%20brochure.pdf

Follow this link for information on Coolant Machine Fittings:

http://www.kenvo.com/downloads/Fittings/RCS%20Fitting.pdf