First Stage Scuba Regulators & Second Stage Regulators

240 results
Cressi AC5/Zen Regulator Picture

Cressi AC5/Zen Regulator

SKU: CSBAZRMFR: HX7900080
  • - Cressi AC5/Zen Regulator: Reliable scuba gear.
  • - Balanced diaphragm 1st stage for consistent airflow.
  • - Lightweight 2nd stage ensures easy breathing effort.
  • - Adjustable Venturi system for optimal performance.
  • - Durable construction; CE EN250 certified regulator.
  • - Streamlined, compact design for scuba diving.
In Stock
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Cressi Compact MC9 Regulator Picture

Cressi Compact MC9 Regulator

SKU: CSBX9
(1)
  • - Cressi Regulator: Balanced diaphragm 1st stage.
  • - Compact regulator: Lightweight for travel divers.
  • - Adjustable 2nd stage: Venturi dive/pre-dive switch.
  • - Reliable scuba regulator: Downstream demand valve.
  • - Cold-water regulator: Consistent performance assured.
  • - Cressi MC9 regulator: 4 LP & 2 HP ports included.

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Scubapro MK25 EVO/S620Ti Dive  Picture

Scubapro MK25 EVO/S620Ti Dive Regulator System

SKU: SCPM25ES620MFR: 12.620.000
(9)
  • - Scubapro Regulator: Reliable, consistent airflow.
  • - Dive Regulator: Titanium components enhance durability.
  • - Cold-Water Regulator: Excellent freeze resistance.
  • - Scubapro Dive Gear: Easy servicing, long-term use.
  • - Balanced Regulator: Smooth, natural breathing effort.
  • - Compact Regulator: Lightweight for travel, less bulk.

Includes Free

$234.00Value:

Scubapro R105 OctoScubapro R105 Octo

Includes Free

$234.00Value:

Scubapro R105 OctoScubapro R105 Octo
Scubapro MK17 EVO 2/C370 Dive  Picture

Scubapro MK17 EVO 2/C370 Dive Regulator System

SKU: SCP17C370
  • - Scubapro MK17 EVO regulator: cold-water rated.
  • - Balanced diaphragm ensures reliable air delivery.
  • - Adjustable 2nd stage for custom dive experience.
  • - Compact, lightweight regulator: travel-friendly gear.
  • - Durable chrome-plated brass 1st stage regulator.
  • - Scubapro regulator: effortless breathing at depth.
Oceanic Delta 50 Year Annivers Picture

Oceanic Delta 50 Year Anniversary Limited Edition DIN Regulator

SKU: OCND50DRMFR: 40.7593.55
  • - Oceanic Regulator: Balanced for effortless breathing.
  • - Dive confidently with this cold-water rated regulator.
  • - Limited Edition Regulator: Enjoy lifetime warranty coverage.
  • - Compact scuba regulator: Travel-friendly design.
  • - Adjustable 2nd stage: Customize your dive experience.
  • - Reliable scuba gear: Built with quality materials.
In Stock
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Apeks XTX50 Regulator, Yoke Picture

Apeks XTX50 Regulator, Yoke

SKU: APXXTX50YMFR: RG115127
(1)
  • - Apeks XTX50 regulator: balanced for easy breathing.
  • - Over-balanced diaphragm 1st stage ensures reliability.
  • - Adjustable 2nd stage: customize breathing resistance.
  • - Four LP ports & two HP ports for versatile configuration.
  • - Nitrox compatible regulator, up to 40% O2 ready.
  • - Cold-water rated regulator for extreme conditions.
Scubapro MK19 EVO BT/G260 Carb Picture

Scubapro MK19 EVO BT/G260 Carbon BT Regulator

SKU: SCPMK19MFR: 12.719.500
(1)
  • - Scubapro regulator: cold-water rated, reliable system.
  • - Enjoy easy breathing with balanced second stage design.
  • - Compact Scubapro dive regulator; lightweight & durable.
  • - Adjustable 2nd stage for personalized dive experience.
  • - Black Tech brass 1st stage ensures regulator serviceability.
  • - Scubapro regulator with carbon fiber 2nd stage cover.

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
In Stock
Free Shipping

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Aqualung Helix DIN Regulator w Picture

Aqualung Helix DIN Regulator with Octopus

SKU: UDRHDOMFR: RQ135001
  • - Aqualung Helix regulator: reliable scuba gear.
  • - Balanced 2nd stage ensures effortless breathing.
  • - Durable build for years of dependable scuba dives.
  • - Compact regulator design enhances ease of use.
  • - Cold-water rated regulator for extreme conditions.
  • - Nitrox compatible regulator, up to 40% O2.
Aqualung Helix Yoke Regulator Picture

Aqualung Helix Yoke Regulator

SKU: UDRHXYMFR: RG150000
  • - Aqualung Regulator: Reliable, balanced diaphragm 1st stage.
  • - Helix Regulator: Adjustable 2nd stage for easy breathing.
  • - Scuba Regulator: Cold-water ready, Nitrox compatible to 40%.
  • - Dive Regulator: Durable chrome plated brass 1st stage.
  • - Yoke Regulator: Compact, lightweight design at just 31.22oz.
  • - Aqualung Helix: 4 LP ports & 2 HP ports for customization.
Atomic B2 Regulator Yoke Picture

Atomic B2 Regulator

SKU: ATMB2SMFR: 03-0027-3P
(8)
  • - Atomic B2 Regulator: Superior breathing effort.
  • - Durable scuba regulator with titanium components.
  • - Balanced flow-through piston 1st stage regulator.
  • - Adjustable 2nd stage for optimized air flow control.
  • - Cold water performance scuba gear regulator.
  • - Easy maintenance regulator; Nitrox compatible to 40%.
Oceanic Delta 5 eDX DIN Regula Picture

Oceanic Delta 5 eDX DIN Regulator

SKU: OCND5DMFR: 40.7591.07
(1)
  • - Oceanic Delta 5 regulator: Reliable, balanced design.
  • - Easy breathing regulator with adjustable inhalation.
  • - Compact scuba regulator, ideal for travel divers.
  • - Cold-water rated regulator for extreme conditions.
  • - Serviceable Oceanic regulator ensures longevity.
  • - DIN regulator with 4 LP & 2 HP ports for versatility.
Aqualung Titan Regulator Bundl Picture

Aqualung Titan Regulator Bundle with Calypso/Titan Octopus

SKU: PCKUDRTRMFR: RQ133111
(1)
  • - Aqualung Titan Regulator: Reliable scuba gear.
  • - Balanced diaphragm 1st stage regulator design.
  • - Adjustable 2nd stage for easy, custom breathing.
  • - Compact, lightweight regulator for travel dives.
  • - Nitrox compatible regulator, up to 40% O2 ready.
  • - Includes Calypso octopus for dependable backup.
Scubapro MK25 EVO/G260 Regulat Picture

Scubapro MK25 EVO/G260 Regulator

SKU: SCPM25EG26MFR: 12.252.010
(4)
  • - Scubapro Regulator: Reliable, high-performance scuba gear.
  • - Balanced piston 1st stage ensures consistent airflow.
  • - Adjustable 2nd stage for effortless breathing underwater.
  • - Durable chrome-plated brass build for longevity.
  • - Compact scuba regulator design; travel-friendly size.
  • - Cold water rated regulator for extreme conditions.

Includes Free

$234.00Value:

Scubapro R105 OctoScubapro R105 Octo

Includes Free

$234.00Value:

Scubapro R105 OctoScubapro R105 Octo
Cressi XS2/AC2 Piston Regulato Picture

Cressi XS2/AC2 Piston Regulator

SKU: CSBRXS2MFR: HX780000
(57)
  • - Cressi XS2/AC2: Reliable scuba regulator system.
  • - Dive/Pre-Dive Venturi: Adjustable 2nd stage regulator.
  • - Durable chromed brass 1st stage for long life.
  • - Compact, lightweight regulator: 35oz with hose.
  • - Downstream demand valve: Easy, natural breathing.
  • - 4 LP ports, 1 HP port: Streamline hose routing.

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Aqualung Helix Compact Yoke Re Picture

Aqualung Helix Compact Yoke Regulator

SKU: UDRHCRYMFR: RG154000
  • - Aqualung Regulator: Reliable, smooth, easy breathing.
  • - Compact Yoke Regulator: Lightweight for travel divers.
  • - Nitrox compatible regulator: Ready for enriched air.
  • - Pneumatically balanced 2nd stage: Consistent airflow.
  • - Braided hose regulator: Durable and flexible design.
  • - Comfo-bite mouthpiece: Comfortable, secure regulator fit.
In Stock
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Atomic M1 Regulator Din Sealed Picture

Atomic M1 Regulator, DIN

SKU: ATMM1BKDMFR: 03-0030-7P
(5)
  • - Atomic M1 Regulator: Superior, reliable breathing.
  • - Durable scuba regulator built with quality materials.
  • - Compact regulator design for ease of use underwater.
  • - Cold-water rated regulator ensures peak performance.
  • - Adjustable 2nd stage for customized flow control.
  • - Nitrox compatible regulator for enriched air mixes.
Sherwood Oasis Pro Regulator & Picture

Sherwood Oasis Pro Regulator & Sherwood Octopus

SKU: SWDROOPK
(2)
  • - Sherwood Regulator: Reliable, smooth breathing.
  • - Oasis Pro: Durable build for long-term use.
  • - Balanced Piston 1st Stage: Consistent airflow.
  • - Adjustable 2nd Stage: Dive/Pre-Dive control.
  • - Nitrox Ready Regulator: Up to 40% compatibility.
  • - Compact Sherwood Octopus: Easy to deploy design.

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Oceanic Alpha 8 SP5 Piston Reg Picture

Oceanic Alpha 8 SP5 Piston Regulator, Black

SKU: OCNA8SP5BKMFR: 40.3520.29
(13)
  • - Oceanic regulator: reliable, downstream valve.
  • - Nitrox compatible scuba regulator, up to 40% O2.
  • - First and second stage regulator, lightweight build.
  • - Easy breathing regulator with adjustable settings.
  • - Cold-water rated scuba gear regulator system.
  • - Compact size regulator: four 3/8" LP ports, one HP.
Scuba Regulator & Octo Grab Ba Picture

Scuba Regulator & Octo Grab Bag

SKU: SCBR1OMFR: SCBR1O
(15)
  • Pneumatically Balanced 2'nd Stage Design
  • Nitrox Compatible to 40% Oxygen
  • Dry Sealed Spring
  • Mechanically Balanced Flow-By-Piston
  • Co-Molded Mouthpiece for Reduced Jaw Fatigue
  • Reliable Downstream Demand Valve Octopus

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Mares Rover 15X Regulator, DIN Picture

Mares Rover 15X Regulator, DIN

SKU: MRSR15XD2MFR: 416254DIN
  • - Mares regulator: Reliable, downstream demand valve.
  • - Balanced diaphragm 1st stage ensures consistent airflow.
  • - Compact scuba regulator; lightweight for travel ease.
  • - Nitrox compatible regulator, up to 40% oxygen mix.
  • - Durable chrome plated brass; marine-ready regulator.
  • - Four LP ports & two HP ports for versatile configuration.

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Ships from Manufacturer
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Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Mares Rover 15X Regulator, Yok Picture

Mares Rover 15X Regulator, Yoke

SKU: MRSR15X2I2MFR: 416254INT
  • - Mares regulator: reliable, downstream demand valve.
  • - Balanced diaphragm 1st stage ensures consistent airflow.
  • - Nitrox compatible regulator, up to 40% O2 for safety.
  • - Compact scuba regulator with adjustable second stage.
  • - Four LP ports & two HP ports for versatile configuration.
  • - Durable chrome plated brass build for cold water dives.

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
In Stock
Free Shipping

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Scubapro MK19 EVO First Stage  Picture

Scubapro MK19 EVO First Stage Dive Regulator

SKU: SCPMK19RYMFR: 10.719.010
  • - Scubapro MK19 EVO: Reliable first stage regulator.
  • - Diaphragm design ensures consistent cold water dives.
  • - High airflow provides easy breathing at all depths.
  • - Compact regulator; ideal for travel and storage.
  • - Adjustable intermediate pressure for optimal performance.
  • - Durable construction guarantees long-lasting scuba gear.
Aqualung Helix Pro DIN Regulat Picture

Aqualung Helix Pro DIN Regulator with Octopus

SKU: UDRPDOMFR: RQ135003
  • - Aqualung Helix Pro regulator for easy breathing.
  • - Over-balanced diaphragm ensures reliable performance.
  • - Adjustable 2nd stage for customized scuba diving.
  • - Nitrox compatible regulator, up to 40% O2 ready.
  • - Compact, durable regulator with downstream valve.
  • - Cold-water rated regulator for extreme conditions.
In Stock
Free Shipping
Apeks MTX-RC Scuba Regulator - Picture

Apeks MTX-RC Scuba Regulator - Din

SKU: APXMRDMFR: RG122130
  • - Apeks MTX-RC regulator: cold-water rated, reliable.
  • - Enjoy easy breathing with this balanced regulator.
  • - Dive confidently with a dependable scuba regulator.
  • - Optimize your dive with an adjustable regulator.
  • - Compact scuba regulator: travel-friendly design.
  • - High-performance regulator for superior dives.
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Shop our selection of first stage scuba regulators and second stage regulators to find the perfect piece of equipment for your next dive. Shop our selection today!

First Stage Scuba Regulators & Second Stage Regulators

Ensure smooth, reliable air delivery with our top-quality first stage scuba regulators and second stage regulators. Designed for optimal breathing performance, these essential components help regulate airflow from your tank to your mouthpiece. A first stage dive regulator reduces high-pressure air from the tank, while a second stage dive regulator delivers it comfortably to the diver. Whether you're looking for balanced, unbalanced, piston, or diaphragm designs, we offer options for every diving style. Explore our selection to find the best first stage scuba regulators and second stage regulators for your needs and enjoy a safe, effortless dive every time. Shop Scuba today!