This gets even more interesting when you look at their website and read the product description:
http://www.redlineoil.com/Products.aspx?pcid=10
ABOUT RED LINE WATERWETTER® COOLANT ADDITIVES
These products include a unique agent that lowers temperatures by reducing or eliminating bubbles or vapor barrier that form on hot metal surfaces Reduces or eliminates bubbles or vapor barrier that form on hot metal surfaces to reduce coolant temperatures by up to 20°
Superior heat transfer properties compared to glycol-based antifreeze
Compatible with new or used antifreeze (including DEX-COOL and long-life versions) to improve the heat transfer of ethylene and propylene glycol systems
Improves heat transfer and reduces cylinder head temperature