Thermaltake Pacific RGB G1/4 Fittings for PETG Hard Tube 16mm OD
 

" ... If you're NOT a fan of RGB, then look away … but for all you crazy RGB junkies, you won't find another product like this. With 256 colors and customizable options via the controller, these RGB fittings make a great addition to your water cooled rig."

http://www.funkykit.com/reviews/cool...-tube-16mm-od/