Cooler master masterfan pro 120 air balance computer case fan in tackling your casersquos cooling needs there is no lsquoone fan fits allrsquo each of the three 120mm fans in the masterfan pro series provides a specific air cooling solution while all being fitted with multiple layers of our exclusive noise reduction technology and adjustable speed profiles put together they work in harmony to cool your entire case and its components air balance fans are ideal for blowing air through