A kit with the main diving O-rings that we may need at any time.
It comes in a 5cm diameter can that will fit us anywhere.
It has viton and standard O-Rings for: bottleneck, two-measure of DIN, for the HP hose, for the HP nipple, for the regulator hose (both terminals), a nipple for the HP gauge-hose and a schrader valve nipple for the inflator hose.