Special features High-pressure gas spray. Can be used wherever dust needs to be removed without making contact with the surface or object. Cleans Contact-free cleaning No discoloration Aerosol can be used at a 360° angle Applications Can be used wherever dust needs to be removed without making contact with the surface or object Developed for cleaning electrical appliances, optical devices and lenses, clockwork, medical devices, measuring devices, and other sensitive surfaces Enables dry, contact-free cleaning Included in the box Compressed Air Spray 400ml