GUE MOD decals, each: Metric Improperly marked cylinders have led to numerous fatalities. Extreme Exposure encourages the proper marking of all diving gases, offering simple Maximum Operating Depth decals to take the guesswork out of mixed gas and decompression diving. Three-inch black letters on a reflective background ensure high visibility

Metric decals: Oxygen 6, 21, 30, 36, 45, 57, 60, 72, 75, 90 MOD

All MOD decals sold as individual stickers