First Stage Scuba Regulators & Second Stage Regulators

216 results

Save 5% Every Day with the Scuba.com Edge Card. Learn More

edge card
Scubapro MK25 EVO/A700 Dive Re Picture

Scubapro MK25 EVO/A700 Regulator

SKU: SCPM25EA70MFR: 12.770.040
(6)
  • Scubapro regulator: reliable, balanced piston 1st stage.
  • A700 2nd stage: adjustable for optimal breathing effort.
  • Dive regulator system: durable brass, marine-grade chrome.
  • Cold water regulator: anti-freeze for extreme conditions.
  • High-flow regulator: 5 LP ports, 2 HP ports included.
  • Scubapro MK25 EVO/A700: compact, lightweight design.
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.
In Stock
Free Shipping
Cressi XS2/AC2 Regulator and X Picture

Cressi XS2/AC2 Regulator and XS Octopus Package

SKU: PCKXS2MFR: PCKXS2
(9)
  • Cressi Regulator Package: Trusted brand quality.
  • XS2/AC2 Scuba Package: Includes 2-year warranty.
  • Complete Regulator Set: Excellent package price.
  • Dive confidently: High-performance scuba package.
  • Cressi Octopus Package: Enhanced safety features.
  • Quality Scuba Gear: Durable, reliable regulator.

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.
Scubapro MK11 EVO First Stage  Picture

Scubapro MK11 EVO First Stage Regulator

SKU: SCPMK11E
  • Scubapro MK11 EVO: Reliable first stage regulator.
  • Balanced diaphragm ensures consistent air delivery.
  • Chrome-plated brass build for lasting durability.
  • Two HP ports & four LP ports offer versatile setup.
  • Ideal scuba regulator for cold-water environments.
  • Compact, serviceable design ensures easy maintenance.
Mares Ultra Adj 82X Regulator  Picture

Mares Ultra Adj 82X Regulator and Loop Octo Kit

SKU: MRSUA82XOMFR: MRSUA82XO
  • Optimal breathing comfort and reliability.
  • Rugged design ensures long-term durability.
  • Seamless performance in coldwater dives.
  • Simple maintenance for enhanced longevity.
  • Adjustable second stage for personalized ease.
  • Balanced diaphragm ensures consistent airflow.
In Stock
Free Shipping
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
In Stock
Free Shipping

Includes Free

$29.95Value:

Scuba.com Round Regulator BagScuba.com Round Regulator Bag
Scubapro Mark 25 EVO Regulator Picture

Scubapro Mark 25 EVO Regulator, First Stage Only

SKU: SCPM25EMFR: 10.713.010
(2)
  • Scubapro Regulator: Unmatched reliability underwater.
  • Mark 25 EVO: Consistent airflow at any depth.
  • Cold-Water Rated Regulator: Dive confidently in any temp.
  • High-Flow Ports: Superior gas delivery on every dive.
  • Balanced Piston 1st Stage: Smooth, effortless breathing.
  • Durable Brass Build: Ensures years of reliable use.
Scubapro MK25 EVO/S600 Regulat Picture

Scubapro MK25 EVO/S600 Regulator

SKU: SCPM25ES60MFR: 12.971.050
(2)
  • Scubapro regulator: Unmatched breathing performance.
  • Dive regulator: Cold-water rated for extreme conditions.
  • Scubapro MK25 EVO: Durable, corrosion-resistant brass.
  • Regulator system: Easy servicing, reduced downtime.
  • High-performance regulator: Compact, lightweight design.
  • Scubapro S600: Adjustable for personalized comfort.
Scubapro C370 Regulator, Secon Picture

Scubapro C370 Regulator, Second Stage Only

SKU: SCPC370MFR: 11.370.000
(1)
  • Scubapro C370: Reliable second stage regulator.
  • Adjustable knob offers easy breathing control.
  • Dive/Pre-Dive switch ensures optimal performance.
  • Air-balanced valve provides consistent airflow.
  • Durable nylon housing for long-lasting use.
  • Lightweight, compact Scubapro regulator design.

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
Hollis DC7 500SE Regulator wit Picture

Hollis DC7 500SE Regulator with Maxflex Hose

SKU: HLSDC75
(10)
  • DC7 Regulator: Reliable, high-performance scuba gear.
  • Balanced 500SE: Smooth, effortless breathing underwater.
  • Durable build: Marine brass, Delrin; long-lasting regulator.
  • Compact design: Lightweight, travel-friendly scuba regulator.
  • Easy servicing: Simplified maintenance for dive regulators.
  • Cold-water ready: Dependable regulator in any condition.
In Stock
Free Shipping
Scubapro S600 Regulator, Secon Picture

Scubapro S600 Regulator, Second Stage Only

SKU: SCPS600NMFR: 11.603.000
(5)
  • Scubapro S600: Reliable regulator for diving.
  • Air balanced valve ensures effortless breathing.
  • Durable techno-polymer case for long life.
  • Adjustable 2nd stage for personalized comfort.
  • Compact, lightweight second stage regulator.
  • Scubapro regulator: Dive with confidence today.

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
Atomic Aquatics ST1 Swivel Sea Picture

Atomic Aquatics ST1 Swivel Sealed Regulator

SKU: ATMST1SSMFR: 03-0060-6P
(6)
  • Atomic Aquatics Regulator: Superior breathing performance
  • Experience effortless breathing with the Atomic Aquatics ST1 regulator, designed for ultimate comfort
  • Stainless steel regulator ensures extreme durability
  • Sealed 1st stage for cold-water scuba diving
  • Adjustable 2nd stage enhances diving control
  • Compact scuba regulator with swivel design
Mares Abyss 22 Navy II Regulat Picture

Mares Abyss 22 Navy II Regulator

SKU: MRSAN22MFR: 416171INT
(10)
  • Mares Abyss regulator: reliable, downstream 2nd stage.
  • Balanced diaphragm 1st stage ensures consistent airflow.
  • Cold-water rated regulator for diving in any condition.
  • Nitrox compatible to 40% O2 for enriched air diving.
  • Compact scuba regulator; lightweight at just 47.2 oz.
  • Durable chrome plated brass regulator for longevity.

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 MK2 EVO/R105 Regulato Picture

Scubapro MK2 EVO/R105 Regulator

SKU: SCPM2ER105MFR: 12.105.000
  • Scubapro Regulator: Reliable, easy breathing design.
  • Cold-water rated regulator for optimal performance.
  • Adjustable second stage for personalized comfort.
  • Compact scuba regulator; lightweight & travel-friendly.
  • Nitrox compatible regulator for enriched air use.
  • Piston first stage regulator with swivel second stage.

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
Zeagle Envoy II Yoke First Sta Picture

Zeagle Envoy II Yoke First Stage Only

SKU: ZGLEYMFR: 310-3310-S
  • Zeagle Envoy II: Reliable scuba regulator, yoke style.
  • Balanced diaphragm ensures effortless breathing effort.
  • Durable chrome-plated brass for extended regulator life.
  • Compact first stage design; ideal for travel systems.
  • Easy maintenance scuba gear; simplified service needs.
  • Nitrox compatible regulator; up to 40% O2 ready.
Scubapro MK17 EVO 2/S620 Ti Di Picture

Scubapro MK17 EVO 2/S620 Ti Dive Regulator System

SKU: SCPMK17R
(1)
  • Scubapro MK17 EVO regulator: cold-water ready.
  • Balanced dive regulator ensures effortless breathing.
  • Titanium valve housing offers superior durability.
  • Compact scuba regulator design for easy travel.
  • Adjustable second stage for personalized comfort.
  • High-performance regulator: reliable & lightweight.
Aqualung Helix Pro Yoke Regula Picture

Aqualung Helix Pro Yoke Regulator

SKU: UDRHPYMFR: RG150002
  • Aqualung Regulator: Balanced for effortless breathing.
  • Helix Pro: Reliable scuba gear for all dive conditions.
  • Adjustable 2nd Stage: Customize your dive experience.
  • Compact regulator design: Lightweight & travel-friendly.
  • Nitrox compatible: Up to 40% O2 for enriched air dives.
  • Durable build: Chrome plated brass 1st stage material.
Mares Abyss 22 Navy II Regulat Picture

Mares Abyss 22 Navy II Regulator DIN

SKU: MRSAN22DMFR: 416171DIN
  • Mares regulator: reliable, high-performance scuba.
  • Abyss 22 Navy II: easy breathing at all depths.
  • Durable regulator: chrome plated brass build quality.
  • DIN fitting: regulator is Nitrox compatible up to 40%.
  • Compact scuba regulator: lightweight for travel dives.
  • Mares regulator: simple servicing, long-term value.

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
Zeagle Envoy II DIN Regulator Picture

Zeagle Envoy II DIN Regulator

SKU: ZGLEDNMFR: 350-3320
(2)
  • Zeagle Envoy II regulator: reliable scuba gear.
  • Balanced diaphragm 1st stage for consistent airflow.
  • Adjustable 2nd stage: Dive/Pre-Dive Venturi switch.
  • Nitrox compatible regulator, up to 40% O2 ready.
  • Durable chrome-plated brass, stainless steel build.
  • Compact & lightweight regulator: 3.22 lbs (1.46 kg).
Atomic Aquatics Z3 Regulator Y Picture

Atomic Aquatics Z3 Regulator Yoke

SKU: ATMZ3RYMFR: 03-0090-3P
(4)
  • Atomic Aquatics Z3 Regulator: Superior breathing performance
  • Breathe easy with the Atomic Aquatics Z3 regulator, designed for smooth, reliable air delivery underwater
  • Durable scuba gear: Corrosion-resistant materials used
  • Compact regulator design: Lightweight for travel
  • Easy maintenance regulator: Simplified service needs
  • Cold-water regulator: Reliable in all conditions
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.
Scubapro S270 Regulator, Secon Picture

Scubapro S270 Regulator, Second Stage Only

SKU: SCPS270ORMFR: 11.270.000
  • Scubapro S270: Reliable scuba regulator, easy breathing.
  • Durable 2nd stage regulator for long-term performance.
  • Compact scuba regulator design, lightweight & comfortable.
  • Adjustable second stage for personalized dive control.
  • Scubapro regulator: Simplified maintenance & serviceability.
  • Swivel 2nd stage enhances hose management underwater.

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
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
Pageof 9
Per Page
24