Endust for Electronics Multi-Purpose Duster Twin Pack delivers a powerful, targeted blast to remove dust, lint, dirt and debris from office equipment, electronics and other hard-to-reach areas. Easily keep equipment clean, operating efficiently and looking its best at home, in the office or on-the-go. The moisture-free formula helps clean sensitive electronic equipment without leaving behind residues. Included extension tube allows precise cleaning of keyboards, computers, printers and more. Twin-pack design ensures a spare can is available when needed.