ColorTech BT fume cupboard outlets are available in whatever finishes and colors are desired for the particular application. Unless otherwise specified, the standard finish for outlets is (i) for the flange, a colored powder coated finish coded per the service color, and (ii) for the body of the fitting and serrated hose end, a white powder coated finish. Standard finishes are therefore as follows:
| Service | Color | |
|---|---|---|
 |
Water | Green |
 |
Flammable Hydrocarbons | Yellow |
 |
Other Combustible Gases | Red |
 |
Non-Flammable Gases | Blue |
 |
Toxic Gases | Black |
 |
Vacuum | Gray |