Main Features: Brand new and high quality. Hard-Plastic nozzle with inlet-valve. Natural and environmentally friendly and non-toxic. Perfect for cleaning digital SLR, digital camera lens, binocular lens, and telescope lens, filters, musical instruments, computers, keyboards, cellphone, etc. The function of this Blower is to gently remove dust & erase smudges from delicate equipment without leaving residue. Excellent way to remove dust off sensitive camera parts without physical contact. Better for the environment than canned air.