Thermal image test compared to the standard case fan the combination of three riing 14 radiator fans and rl420 radiator delivers 50 better cooling performance inlet and outlet temp are 49 4 and 42 4 in respective 9651t 7 08451 concentrated compression blade custom designed for high static pressure requirements of demanding applications such as radiators the concentrated compression blade ccb is engineered to focus the inner weaker circle of air outwards allowing the oute