Removes dirt and dust from any surface without damaging sensitive components or surface finish. Penetrates into cracks and crevices to remove contaminants that normal hand dusting cannot reach. It delivers a powerful blast of product to remove embedded debris. The extension tube can be used for more precise delivery. Non-flammable, no residue, non-abrasive. Safe on all plastics. Size 12 oz. aerosol can with trigger sprayer.