Dustproof, anti-static, cleaning, keep the lens and glass transparent. Air blower is widely used in optics, electrical, curio etc., domain. Made of high quality rubber, soft and flexible, easily remove dust from surfaces. The air intake is in the end of the blower , which is bigger than the air vent on the top of the blower. Moreover, the air intake will not air out because of special design, it would close after intake, and it keeps the air fresh inside the blower, avoid secondary pollution. Compatible for optics glass, lens, automobile glass, eyeglass, colophony glass, transparent plastics film.