11.1.2 Table for Identification of medical gas hose colours
GAS
OXYGEN
NITROUS OXIDE
CARBON
DIOXIDE
CYCLOPROPANE
MEDICAL AIR
ENTONOX 50/50
N
O/O
2
2
EMPTY
MORPHEUS
SYMBOL
ISO & UK
O
White
2
N
O
Blue
2
CO
Grey
2
C
H
Orange
3
6
AIR
White & Black
N
O + O
Blue & White
2
2
-
Yellow
USA
GERMANY
Green
Blue
Blue
Grey
Grey
-
Orange
-
Yellow
Yellow
-
-
-
-
11-9