iDuster Disposable Compressed Air Duster Computer Cleaner Keyboard CPU Cleaner 10 oz -4 Pack-

iDuster Dust-Off dusters provide -blasts away 99% of dust &dirt. Ideal for office use including keyboards, CPU, computer and mouse. Also great for workspace and automobiles. 100% ozone safe. Contains a bitterant to help discourage inhalant abuse. iDuster disposable dust-off is extra-large, more economical to use.  Before use: DO NOT SHAKE ,Remove small tab on top of spray nozzle. Point nozzle away from self and others. Hold can upright and pull trigger to clear valve of any liquid. To clean hard-to-reach areas, firmly insert extension tube into nozzle.