compressed Air Duster Cleaner Spray 1.100% ozone safe 2.cleaning electronics,unreachable area 3.Zero residue,no harm AIR DUSTERUsed in delicate instruments and computer equipmentIdeal for cleaning computer keyboards, optical instrument, removing microscopic dust, printers, timing devices, cash machines, fax machines, photo equipment, VCRs, CDs and delicate lab equipmentHigh pressure dust removerAir duster is a high pressure liquid gas blend that removes dust and cleans with a powerful jet of dry inert gasPrevents errors, downtime and damage caused by microscopic dust in electronic devices, data processing equipment, servo-mechanisms and cameras