Cole-Parmer Dust-it, Hand-Held Air Blower

Bulb duster blows away dust, lint, and dirt. It provides gentle-pressure pinpoint jets of air exactly where desired. Varying the amount of compression provides for controlled delivery. One-Way Inlet Valve at the top stops air from being drawn through the tip. Nonconductive plastic sleeve-tip prevents scratches and allows you to easily clean optical lenses, slides, circuit boards, and covets. Size is 2-1/4 inch x 5 inch and weighs 2 ounces. No aerosols and nonconductive tip ideal for delicate, difficult to clean, and inaccessible equipment.