Regulators Regulators 1st stage 1 LP
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Apeks DS4 INT 1st Stage Regulator
191.99 €
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Apeks MTX R DIN 1st Stage Regulator
364.99 €
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Cressi Galaxy T10Sc Cromo Int 1st Stage Regulator
375.99 €
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Aqualung Calypso Classic DIN 200 B 2017 1st Stage Regulator
185.49 €
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Aqualung Titan DIN 1st Stage Regulator
229.49 €
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Aqualung Calypso INT 2017 1st Stage Regulator
198.99 €
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Aqualung Titan INT 1st Stage Regulator
289 €
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SEAC M 230 Bar DIN 1st Stage Regulator
195.99 €
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SEAC D Ice DIN 300 1st Stage Regulator
239.49 €
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Mares 82X INT 1st Stage Regulator
262.49 €
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Mares 62X 1st Stage Regulator
222.99 €
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Mares R2S INT 1st Stage Regulator
102.99 €
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Apeks Tek3 Nitrox Left MX26 1st Stage Regulator
335.49 €
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Apeks XL4 Ocea First Stage DIN
299.99 €
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Apeks XTX DST INT 1st Stage Regulator
279.49 €
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Apeks DS4 Nitrox DIN 1st Stage Regulator
238.99 €
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Apeks US4 DIN 1st Stage Regulator
228.99 €
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Apeks DST DIN 1st Stage Regulator
284.99 €
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Apeks DST Nitrox M26 FS 1st Stage Regulator
298.49 €
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Apeks XL4 DIN 1st Stage Regulator
377.49 €
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Apeks MTXR-RC INT 1st Stage Regulator
499.49 €
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Apeks XTX 200 Swivel Hose INT 1st Stage Regulator
894.49 €
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Apeks US4 1st Stage Regulator INT
177 €
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Apeks DS4 Nitrox M26 1st Stage Regulator
218.99 €
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Apeks US1 DIN 1st Stage Regulator
139.99 €
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Apeks TEK3 Left 1st Stage Regulator
310 €
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Scubapro MK2 Evo DIN 1st Stage Regulator
155.99 €
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Metalsub Thunder Nitrox M26 1st Stage Regulator
71.99 €
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Metalsub Thunder INT 1st Stage Regulator
63.99 €
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Metalsub Double outlet in T DIN 232
49.99 €
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Metalsub Double outlet in T DIN 300
49.99 €
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Tecnomar P80 First Stage DIN
65.99 €
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Mares Xr XR 28XR DIN 1st Stage Regulator
349 €
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Dive Rite FT1 DIN 1st Stage Regulator
307.99 €
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Halcyon H-50D DIN 1st Stage Regulator
296.99 €
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Aqualung Calypso Nitrox/O2 INT 1st Stage Regulator
208.99 €
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Aqualung Leg3nd Yoke 1st Stage Regulator
428.99 €
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SEAC D INT 1st Stage Regulator
189 €
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SEAC Px100 First Stage 230 DIN
109.49 €
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SEAC IT300 230 INT 1st Stage Regulator
264 €
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SEAC IT300 300 DIN 1st Stage Regulator
264 €
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SEAC IT500 ICE 230 INT 1st Stage Regulator
375 €
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SEAC IT500 ICE 300 DIN 1st Stage Regulator
375 €
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SEAC IT500 230 INT 1st Stage Regulator
365 €
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SEAC IT500 300 DIN 1st Stage Regulator
365 €
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SEAC D 300 Bar DIN 1st Stage Regulator
189 €
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Mares 62X 1st Stage Regulator
269.99 €
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Apeks AT INT 1st Stage Regulator
319.49 €
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Apeks DB4 INT 1st Stage Regulator
249 €
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Apeks XTX 200 FSR INT 1st Stage Regulator
344.99 €
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Beuchat V First INT 1st Stage Regulator
123.99 €
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Metalsub Thunder DIN 1st Stage Regulator
63.99 €
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Tecnomar Marte Ice First Stage DIN
169.99 €
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Tecnomar Argon 1st Stage Regulator With Overpressure Valve
67.99 €
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Ocean Reef First Stage SL 35 Tx DIN 300 For Neptune Space
214.99 €
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Ocean Reef First Stage SL 35 Tx INT For Neptune Space
220.99 €
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OMS Airstream DIN PVD 1st Stage Regulator
486 €
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Mares Xr XR R2XR DIN 1st Stage Regulator
124.49 €
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Mares Xr XR 28XR DIN Nitrox 1st Stage Regulator
325.49 €
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Dive Rite Drysuit Inflation 1st Stage Regulator
171.99 €
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Atomic Aquatics Primera Etapa M1 1st Stage Regulator
549.99 €
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Aqualung Leg3nd DIN 1st Stage Regulator
428.99 €
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Aqualung Titan DIN 300B 1st Stage Regulator
242.49 €
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SEAC X 5 P INT P Synchro 1st Stage Regulator
139.99 €
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SEAC X 5 P DIN P Synchro 1st Stage Regulator
139.99 €
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SEAC D Ice INT 1st Stage Regulator
219.99 €
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SEAC M INT 1st Stage Regulator
165.99 €
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SEAC Px100 First Stage 230 INT
109 €
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Mares 15X INT 1st Stage Regulator
168.99 €
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Mares 72X DIN 1st Stage Regulator
480.09 €
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Mares R2S DIN 1st Stage Regulator
101.99 €
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Mares 15X DIN 1st Stage Regulator
178.99 €
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Apeks XL4 Ocea First Stage DIN
299.49 €
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Apeks DST DIN 1st Stage Regulator
251.99 €
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Apeks TEK3 Right 2013 1st Stage Regulator
298.99 €
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Apeks DB4 INT 1st Stage Regulator
323.49 €
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Apeks XTX200 FSR DIN 1st Stage Regulator
311.99 €
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Apeks DB4 DIN 1st Stage Regulator
249.49 €
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Apeks XL4 Ocea First Stage INT
299.49 €
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Apeks TEK3 Right Left 1st Stage Regulator
563.99 €
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Apeks Tungsten DIN 5 Ports 1st Stage Regulator
539.49 €
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Beuchat V-First 1st Stage Regulator
151.99 €
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Scubapro MK11 INT 1st Stage Regulator
205.99 €
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Scubapro MK25 Evo INT 1st Stage Regulator
393.99 €
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Scubapro MK2 Evo INT 1st Stage Regulator
164.99 €
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Scubapro MK19 Evo DIN 300 1st Stage Regulator
393.99 €
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Scubapro MK19 Evo INT 1st Stage Regulator
393.99 €
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Scubapro MK11 DIN 1st Stage Regulator
205.99 €
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Scubapro MK25 Evo DIN 2015 1st Stage Regulator
393.99 €
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Scubapro MK17 Evo 1st Stage Regulator
269.99 €
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Scubapro MK17 Evo DIN 300 1st Stage Regulator
269.99 €
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Tecnomar Marte Ice First Stage Yoke
169.99 €
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Tecnomar P80 First Stage Yoke
72.49 €
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OMS Airstream Compact INT PVD 1st Stage Regulator
419 €
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OMS Airstream Nitrox M26/2 PVD 1st Stage Regulator
363 €
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OMS Airstream INT PVD 1st Stage Regulator
483 €
What is the difference between 1st stage and 2nd stage regulators?
The first stage and second stage regulators are components of a scuba diving regulator system. Here´s an explanation of their differences:First Stage Regulator: The first stage regulator is the part of the regulator system that connects directly to the scuba tank or cylinder valve. Its main function is to reduce the high pressure air from the tank to an intermediate pressure and deliver it to the second stage regulator. Key characteristics of the first stage regulator include:
Pressure Reduction: The first stage regulator reduces the high pressure air from the tank, typically around 3,000 psi pounds per square inch, to an intermediate pressure, usually between 125 psi and 145 psi. This intermediate pressure is suitable for breathing.
Multiple Ports: First stage regulators have multiple ports to allow for the attachment of various hoses and devices. These ports may include high pressure ports for gauges and low pressure ports for the second stage regulator, inflator hoses for buoyancy compensator devices BCDs, drysuit inflation hoses, and other accessories.
Environmental Protection: First stage regulators are designed to withstand exposure to water, pressure changes, and harsh underwater conditions. They incorporate features like environmental seals to prevent water entry and mechanisms to balance the internal pressure.
You can buy these 1st stage regulators from these brands: SEAC, Mares, Apeks, Aqualung and Scubapro. In summary, the first stage regulator reduces high pressure air from the scuba tank to an intermediate pressure and delivers it to the second stage regulator, which the diver breathes from. The first stage connects to the tank, while the second stage is the part the diver places in their mouth to receive air.