This tool will save you money in the long run. Instead of buying canned air, just buy one of these. The power of this tool is very high and it will blow all the dust off your computer in no time. Just remember that you should not run the motor for more than 5 minutes as it will get very hot and could damage the product. The product is quite noisy, but it only takes you less than a minute to blow the dust off your computer. I would recommend vacuuming the desk after use as it doesn't remove the dust, just pushes it out.
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