Keyboard air duster, computer air durster 1.Power dust remover blows away 2.High ... 3.Without any reside 4.Non-flamma Keyboard air duster,computer air duster1.Power dust remover blows away2.High pressured3.Without ... crevices. Typical applicationses:For camera, watch,cleaning of alarm, signal systems, computer heads, conneciors, contracts, primarily low voltage, stereo units, labolatory and ...