SilverProp SilverStorm 3 & 4 radiators
 

at: http://www.a1-electronics.net/Heatsi...-3-4_Feb.shtml


" The SilverProp SilverStorm 4 radiator while a large radiator does not have the same high water pressure resistance as the SilverProp SilverStorm 3 radiator and consequently produces better water cooling performance right from the start. As said, "