MicroCare general purpose dust remover is a high purity electronics-grade cleaner that delivers a dry blast of inert gas to remove dust, particles and moisture from any surface. Clean hard to reach areas like keyboards or pin connectors. Use it to quickly preclean surfaces by removing layers of loose grime and dust before using a solvent cleaner. Also, use it to remove slow drying solvents from under surface mount components or on circuit boards, connectors or optics. - Hundreds of uses. MicroCare packages the General Purpose Dust Remover in a variety of sizes and spray velocities to t any cleaning need. The trigger spray allows easy single hand operation. Plastic safe, nonflammable and leaves no residue.