Protect your delicate equipment by using a squeeze duster to remove dust & dirt gently, without scratching surfaces. Unlike canned air, a squeeze duster can operate from any angle and never "runs out of air". It"s perfect for cleaning keyboards, cameras, vents, consoles, circuit boards, electronics, and any delicate equipment you use that"s hard to clean with a brush or cloth. It"s highly effective, too: this model has a booster valve for an extra strong burst of air.