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Home > Regulators > 1st stages

Regulators > 1st stages
Diving first stages attaches to your scuba cylinder and reduces the high pressure in the cylinder to an intermediate pressure of around 10 bar which then is sent to your second stage (sold separately). These individual first stages should only be paired to suitable second stages and are recommended for purchase only by experienced divers.

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Scubapro Mk2Plus First Stage Only
Mk2Plus First Stage Only
Scubapro
Simple elegance best describes the Mk2Plus. It offers a combination of simplicity and reliability in...
Price £78.36 [View]
Oceanic Alpha Oxy
Alpha Oxy
Oceanic
Factory cleaned and assembled in a clean room environment with special O-rings, halocarbon based lub...
Price £164.05 [View]

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Apeks DS4 first stage only
DS4 first stage only
Apeks
Environmentally dry sealed version of the US4 1st stage with 4 medium pressure ports (3/8"unf) ...
Price £98.00 [View]
Scubapro Mk17 First Stage Only
Mk17 First Stage Only
Scubapro
First Stage:- Machined marine grade chrome plated brass body- Overbalanced diaphragm design- Dry amb...
Price £140.19 [View]
Apeks XTX Dry Sealed First Stage Only
XTX Dry Sealed First Stage Only
Apeks
XTX Dry Sealed First Stage Only
Price £187.50 [View]
Apeks UST4 first stage only
UST4 first stage only
Apeks
Diaphragm actuated, swivel turret, balanced 1st stage. Shares the same high performance of the DST v...
Price £124.00 [View]
Scubapro Mk25AF First Stage Only
Mk25AF First Stage Only
Scubapro
An unfailing performance, due to patented design The MK25 first stage can accept all types of SCUBAP...
Price £195.00 [View]
Apeks DS1 first stage only
DS1 first stage only
Apeks
Compact environmentally sealed 1st stage with one 3/8 medium pressure port and one 7/16 high pressur...
Price £89.00 [View]
Apeks US1 first stage only
US1 first stage only
Apeks
Compact first stage with one 3/8" medium pressure port and one 7/16" high pressure port. N...
Price £59.00 [View]
Scubapro Mk2Plus First Stage Only
Mk2Plus First Stage Only
Scubapro
Simple elegance best describes the Mk2Plus. It offers a combination of simplicity and reliability in...
Price £78.36 [View]
Oceanic SP5 First Stage
SP5 First Stage
Oceanic
The SP-5 offers all divers the opportunity to own a top-performing regulator at an unbeatable price....
Price £82.00 [View]
Apeks US4 first stage only
US4 first stage only
Apeks
Compact unselaed 1st stage with 4x 3/8 medium pressure ports and one 7/16 high pressure port....
Price £75.00 [View]
Oceanic Alpha Oxy
Alpha Oxy
Oceanic
Factory cleaned and assembled in a clean room environment with special O-rings, halocarbon based lub...
Price £164.05 [View]
Atomic Safety Second 1 Red
Safety Second 1 Red
Atomic
Safety Second 1 alternative air source and inflator from Atomic.PerformanceThe SS1 contains a high f...
Price £149.00 [View]
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