Perfect for cleaning dust off lenses, filters, CCD sensors & SLR mirrors. Powerful blasts of air clean safely. High quality non-toxic rubber bulb. Resistant to high & low temperatures & tear proof. Double-valve design prevents breathing in dust & refills quickly.- Perfect for cleaning dust off of lenses, filters, CCD sensors & SLR mirrors- Powerful blasts of air clean SAFELY- High quality non-toxic rubber bulb- Resistant to high & low temperaturesand tear-proof- Double-valve design prevents breathing in dust & refills quickly