The Disposable version of the CleanTex MicroDuster III, nonflammable, 100% ozone-safe duster removes dust and other contaminants from areas not accessible with other cleaning agents. Effectively remove dust, lint and particles from electronic equipment, optical surfaces, and precision instruments. Blast away dust build up from PC boards and sensitive components. Speed dry wet surfaces without a trace. Fingertip cleaning control with trigger-operated valve and 6" extension wand.