CPU Water Cooler
From Amazon
Corsair Hydro X Series XL5 Performance Coolant (Vibrant Translucent Colour, Long-Life Composition, Enhanced Anti-Corrosion and Anti-Bacterial Inhibitors) 1 Litre - Purple
Overclockers
Corsair Hydro X Series XL5 Performance Premixed Purple Fluid - 1 Litre (CX-9060005-WW)
This product is also available at 1 unverified merchant.