We use this to blow out the insides of CPU units to ensure that dust and gunk doesn't jam up any fans or motors. Works like a charm.

This is the second datavac pro I have purchased for use at work for cleaning up computers. It has a great blower on it as well as a great vacuum to clean up the dust in the computers.

It does a great job and has saved money and health problems as compared to compressed chemical air. Only downside its that you have to push all connectors firmly before using blow-mode, otherwise the attachments become projectiles. It will overheat if...