- Air blower for gently cleaning lenses and eyepieces ,- Removes dust, crumbs and other small particles without touching the surface ,- Valve system creates an optimal gust of air ,- Environmentally friendly as neither liquid nor chemicals are required for cleaning ,- Talc free - Diameter Rubber Bellow: 5.5 cm ,- Length: 16.6 cm ,- Colour: Black/Red 2 years legal warranty only