Foto&Tech Deluxe Dust Blower /Air Blaster/Squeeze Dust Cleaner for Digital SLR Camera, Lens, Watch, Keyboard, Cell Phone, Computer Laptop PC and Screen (Navy Blue) Clean dust powerfully with copper jet Design according by shape of fingers, easily to hold and blow Rust protection efficiently with copper jet The top plastic tube prevents camera lens well from harm In order to get giant power, advance dustproof design is adopted to the upper air inlet