First Stage Scuba Regulators & Second Stage Regulators
221 resultsSave 5% Every Day† with the Scuba.com Edge Card. Learn More
Mares 15X First Stage DIN Regulator
- Exceptional Mares reliability for critical dives.
- Balanced diaphragm ensures easy, smooth breathing.
- Durable design offers extended regulator lifespan.
- Effortless maintenance of this robust scuba gear.
- Comfortable, lightweight scuba first stage (20.8oz).
- Optimize dive comfort with quality 15X regulator.
Mares R2S First Stage INT Regulator
- Robust piston design ensures dive reliability.
- Streamlined for effortless underwater breathing.
- Durable build guarantees long-lasting performance.
- Simplified maintenance for hassle-free diving.
- Lightweight design, perfect for dive travel.
- Optimize airflow for superior dive comfort.
Mares 15X First Stage INT Regulator
- Optimal Scuba diving safety and performance.
- Reliable air delivery for deep water dives.
- Effortless breathing comfort and diaphragm tech.
- Durable design for extreme dive conditions.
- Low-maintenance scuba regulator for divers.
- Enhanced diving experience, unmatched comfort.
Mares 22 Navy II First Stage INT Regulator
- Optimal breathing with balanced diaphragm scuba regulator.
- Engineered for reliability in extreme cold waters.
- Durable construction ensures lasting dive performance.
- Easy-to-maintain design for consistent scuba safety.
- Advanced first stage offers superior air delivery.
- Precision engineering for effortless breathing control.
Mares 82X First Stage INT Regulator
- Unrivaled scuba reliability for confident dives.
- Balanced diaphragm ensures effortless breathing performance.
- Durable build guarantees long-lasting regulator safety.
- Optimized design for simple, low-maintenance care.
- Exceptional first stage comfort and secure fit.
- Premium Mares engineering: 2 HP, 5 LP ports.
Seac PX100 230 DIN Regulator
- Seac PX100 regulator: reliable scuba gear.
- Enjoy easy breathing with this scuba regulator.
- Adjustable 2nd stage for dive/pre-dive settings.
- Durable regulator: built for long-lasting use.
- Compact scuba regulator, ideal for travel.
- Cold-water rated regulator for extreme dives.

Mares Rover 15X Regulator, Yoke
- 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:

Includes Free
$29.95Value:

Seac PX100 230 INT Regulator
- Seac INT Regulator: Reliable scuba gear, CE certified.
- Dive confidently with this high-performance regulator.
- Enjoy effortless breathing with Venturi Dive/Pre-Dive.
- Cold water regulator: Excellent performance below 50°F.
- Durable scuba regulator: Built to last, 1 HP & 4 LP ports.
- Compact & lightweight Seac regulator for easy travel.

Scubapro MK25 EVO DIN 300/S620Ti Dive Regulator System
- Scubapro Regulator: Reliable, high-performance system.
- Balanced 2nd Stage: Effortless, easy breathing at depth.
- Cold-Water Rated: Dive confidently in any environment.
- Adjustable Dive Regulator: Customize your breathing.
- Compact Scuba Regulator: Lightweight for travel ease.
- Titanium Components: Durable, corrosion-resistant build.

Scubapro R105 Regulator, Second Stage Only
- Scubapro R105: Reliable second stage regulator.
- Downstream valve ensures easy, consistent breathing.
- Compact Scubapro regulator; travel-friendly design.
- Ideal for novice divers & diving center environments.
- Enjoy Scubapro's lifetime limited regulator warranty.
- Durable regulator built for years of diving use.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Scubapro MK11/S270 DIN Regulator
- Scubapro Regulator: Reliable, balanced diaphragm 1st stage.
- Dive/Pre-Dive switch ensures effortless regulator breathing.
- Chrome-plated brass 1st stage for regulator durability.
- Compact, lightweight 2nd stage scuba regulator design.
- Scubapro regulator: Easy maintenance, long-lasting build.
- Nitrox compatible regulator, up to 40% O2 for safe diving.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Tusa Compact Diaphragm Regulator
- Tusa regulator: reliable, smooth breathing.
- Compact regulator: ideal for travel, lightweight.
- Diaphragm regulator: cold-water rated, durable.
- Adjustable regulator: customize your dive easily.
- High-flow piston: consistent air delivery system.
- Ergonomic mouthpiece: enhanced comfort, less fatigue.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Aqualung Leg3nd MBS Regulator with Leg3nd Supreme Octopus
- Aqualung Leg3nd: Reliable scuba regulator system.
- Balanced diaphragm 1st stage ensures consistent airflow.
- Adjustable 2nd stage for effortless, easy breathing.
- Compact regulator design; ideal for travel divers.
- Cold-water rated regulator for extreme conditions.
- Nitrox compatible; scuba regulator, up to 40% O2.

Aqualung Helix Pro DIN Regulator with Octopus
- 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.

Aqualung Helix Yoke Regulator
- 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.

Mares Abyss 22 Navy II Regulator
- 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:

Includes Free
$29.95Value:


Cressi XS2/AC2 Regulator and XS Octopus Package
- 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:

Includes Free
$29.95Value:


Hollis DC7 500SE Regulator with Maxflex Hose
- 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.
Seac Set IT300 300 DIN Regulator with Octopus
- Seac IT300 DIN Regulator: Reliable, cold-water rated.
- Balanced diaphragm 1st stage ensures consistent airflow.
- Adjustable 2nd stage with Venturi dive/pre-dive switch.
- Chrome-plated finish enhances regulator durability.
- Features 2 HP ports & 4 LP ports for versatile setup.
- Compact & easy servicing scuba regulator set.

Hollis 150LX DC7 Regulator with Gauge and Hose
- Hollis 150LX regulator ensures reliable performance.
- Enjoy easy breathing with this balanced scuba regulator.
- Dive confidently; regulator is cold-water rated.
- Compact scuba regulator design for streamlined diving.
- Adjustable 2nd stage for personalized dive control.
- Nitrox compatible regulator; up to 40% oxygen.

Mares Dual 15X Regulator
- Mares regulator: reliable, downstream 2nd stage.
- Balanced diaphragm 1st stage ensures easy breathing.
- Compact scuba regulator; lightweight for travel ease.
- Adjustable regulator for personalized dive comfort.
- Durable build; this scuba regulator is built to last.
- Nitrox compatible regulator; up to 40% oxygen use.
Includes Free
$152.96Value:

Includes Free
$152.96Value:


Scubapro Mark 2 EVO Regulator, First Stage Only
- Scubapro regulator: reliable, high-performance build.
- Enjoy effortless breathing with this scuba regulator.
- Durable, chromed brass 1st stage regulator design.
- Streamlined regulator: compact for travel, easy setup.
- Cold-water rated regulator for diving adventures.
- Scubapro regulator: easy servicing, long-term value.

Mares Ultra Adj 82X Regulator
- Mares Regulator: Balanced diaphragm 1st stage.
- Adjustable 2nd stage for effortless breathing.
- Nitrox compatible scuba regulator, up to 40% O2.
- Durable build: Marine brass, techno polymer.
- Compact & lightweight scuba gear regulator design.
- 5 LP ports & 2 HP ports for easy configuration.
Includes Free
$152.96Value:

Includes Free
$152.96Value:


Scubapro MK19 EVO First Stage Dive Regulator
- 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.