PNG ICO ICNS MORE
Oxygen
Application, Pgp, Signature
Gainsboro
128x128
PNG MORE
Yatta-Blues
Gnome, Application, mime
48x52
Human-O2
Pgp, Application
key hole, document, security
Computer & hardware
3D
Human o2
Encrypted, Pgp
Network & communications
Smooth
Pgp, Signature