Keep your office machines dust free and running smoothly. The Read Right DustFree Multipurpose Duster safely and gently removes lint, dust and other surface contaminants from keyboards, computers, office machines and more. This multipurpose duster includes a 5 inch wand for those hard-to-reach areas. DustFree is 100 % ozone safe and easy to use. Advantus Corp. is dedicated to providing innovative quality products at fair prices.