Trying to figure out what type of oxygen connector hose or wall plate you have or need? There are more than a dozen 'standards' for high pressure oxygen hose or wall fitting around the world. Here we summarize the most common 16 - DISS, NIST, Puritan Bennett, Japanese Style, British Standard, German DIN, AGA Swedish, Italian UNIFOR, Ohmeda quick connect, DISS, Chemetron, Oxyequip, French AFNOR, Australian SIS, Schrader and more. You can also check out high resolution version of our open access images in our image library.