Air Duster 1.100% ozone safe 2.Pure compressed gas 3.Non-flammable 4.Zero residue Air DusterInstruction: it can blow ... and remove static layer, specially suit for cleaning the body which can not clean by any solvent or Untouchable body. ... Application:Printers, switch and solenoid, medical equipment, PLC, keyboard, computer, fax machine, printing machine, projector, microscope, camera, precision ...