> in order to clean up the dirty fans in this machine Maybe do something about the dirty air instead? Also, unless in a dusty industrial environment, by the ti

> in order to clean up the dirty fans in this machine Maybe do something about the dirty air instead? Also, unless in a dusty industrial environment, by the time a computer fan and chassis is filthy, it's already legacy equipment. If a computer is used for work, to generate income, replacing it every 2 years is the cost of doing business and a write-off. But I suppose if a typical Mac user, one would have to go through the trouble of blowing out the dust every 4 years.