Parts Express Fast Blast Duster Can 10 oz. - PACK OF 4 Removes lint and dust from keyboards, heat sinks, fans, and more Also force dries wet or damp components and instruments Non-abrasive and non-reactive making it safe for the most delicate of instruments Non-ozone depleting, CFC/HCFC free making it safe for the environment This product contains a bitterant to discourage inhalant abuse. Do not inhale.