Pictures

Color-Coding Explanation

Color-coding is used as a gas identifier worldwide for medical gas fittings and connections. The following color-coding chart is for your assistance.
USA ISO
Carbon Dioxide
Grey
Grey
He-O2
Brown and Green
Brown and White
Instrument Air
Red (USA Only)
Medical Air
Yellow
Black and White
Nitrogen
Black
Black
Nitrous Oxide
Blue
Blue
O2-He
Green and Brown
White and Brown
Oxygen
Green
White
Vacuum (Suction)
White
Yellow
WAGD (Evac)
Purple
Purple
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