Essential Electrical Air Duster 200ml. This compressed air spray cleans and protects all electronic equipment including: keyboards, laptops, phones, printers, base units, scanners, fax machines and much more. Use on PCs, tablets, smartphones, laptops, keyboards and more. Package Dimensions: 200ml, 290g. Package Contents: Essential Electrical Air Duster 200ml. Keep your electronics and workspaces spotless with this 200ml Compressed Air Duster Spray Can. Specially designed to safely remove dust, dirt, and debris from delicate or hard-to-reach areas like keyboards, computer towers, laptops, printers, and other electronic devices. Perfect for home, office, or technical environments, these dusters deliver a powerful burst of air without leaving moisture.