1st stages


The 1st stage is what connects your tank to your regulators. There are two main types: DIN and A-Clamp. DIN screws directly into the tank valve and keeps the O ring secure, allowing it to withstand higher pressures. A-Clamp fits over the tank valve and is much easier to remove when your hands are cold from diving!

If using your own Regulators at a dive center, it is important to remember that the tanks there may have different valves, so you may need to bring an adaptor.

Are you looking for a Piston or a Diaphragm design? A turret? Upstream, Downstream? Not sure, give us a call on 0330 223 4140

Showing: 1-10 of 10
Mares R2XR First Stage
Regular price £122.00
Mares 1St Stage 2S
£95.99 Regular price £125.00
Mares 28XR 1st Stage
£257.99 Regular price £329.00
Mares 1St Stage 82X
£275.99 Regular price £347.00
Mares 1St Stage 72X
£222.99 Regular price £314.00
Mares 1St Stage 15X
£163.99 Regular price £206.00
Seac Sub - 1st Stage X-5 P-Synchro
Regular price £133.00
Halcyon H-50D First Stage only
Regular price £221.00

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