First Stage Scuba Regulators & Second Stage Regulators
222 resultsSave 5% Every Day† with the Scuba.com Edge Card. Learn More


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 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 Dual ADJ 62X INT Regulator, Black
- Precise air delivery for optimal breathing comfort.
- Balanced diaphragm ensures reliable scuba performance.
- Durable technopolymer build for lasting dive use.
- Lightweight design for effortless underwater mobility.
- Adjustable second stage enhances breathing ease.
- Superflex hose offers exceptional maneuverability.

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 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 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.

Apeks XTX40 DS4 Regulator - Din
- Apeks XTX40: Reliable scuba regulator for all.
- Over-balanced first stage ensures consistent airflow.
- Enjoy effortless breathing with venturi assist.
- 2 HP ports & 4 LP ports for versatile configuration.
- Durable build for years of dependable scuba dives.
- Compact, cold water ready regulator design.

Genesis Prana Regulator
- Balanced regulator ensures effortless breathing.
- Compact scuba regulator design for easy travel.
- Cold-water regulator: reliable in all conditions.
- Adjustable 2nd stage for custom dive settings.
- High-performance regulator with balanced design.
- Durable scuba gear: reliable first and second stage.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


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.

Seac IT500 ICE 300 DIN Regulator
- Seac IT500 regulator: reliable, balanced diaphragm.
- Cold-water rated scuba regulator for extreme dives.
- Adjustable 2nd stage: Venturi effect, Dive/Pre-Dive.
- DIN regulator with 2 HP ports & 4 LP ports.
- Balanced regulator ensures effortless, easy breathing.
- Compact, high-performance scuba gear regulator set.

Hollis 500SE DC7 Regulator with Gauge and Hose
- Balanced Diaphragm ensures reliable scuba gear.
- Adjustable 2nd stage for optimal breathing effort.
- Marine-grade brass offers regulator durability.
- Nitrox compatible up to 40% for versatile diving.
- Compact regulator design with dive/pre-dive switch.
- Cold-water performance with environmentally sealed 1st

Seac IT300 230 INT Regulator
- Seac IT300 INT Regulator: Reliable scuba gear.
- Balanced diaphragm 1st stage ensures consistent airflow.
- Adjustable 2nd stage with Venturi dive/pre-dive switch.
- Chrome-plated finish enhances regulator durability.
- Certified EN250 A for cold water scuba diving.
- 2 HP ports & 4 LP ports for versatile configuration.

Aqualung Helix Compact Pro Regulator
- Aqualung Regulator: Balanced for optimal performance.
- Compact Pro Yoke Regulator: Lightweight, travel-ready design.
- Helix Regulator: Enjoy easy, natural breathing underwater.
- Pneumatically-balanced: Consistent airflow at any depth.
- Cold-water rated regulator: Reliable in extreme conditions.
- Aqualung Regulator: Includes MFG Limited Lifetime Warranty.

Apeks AT Diving Regulator - Yoke
- Apeks Regulator: Balanced diaphragm 1st stage design.
- Diving Regulator: Chrome over marine brass 1st stage.
- AT Regulator: Pneumatically balanced 2nd stage for easy breathing.
- Scuba Regulator: Features integrated Venturi lever control.
- Yoke Regulator: Compatible with Nitrox up to 40% O2.
- Apeks Diving Regulator: Includes comfortable Comfo-bite mouthpiece.

Mares Dual 2S Regulator
- Mares regulator: reliable scuba gear, lightweight.
- Superflex hose enhances regulator diving comfort.
- Technopolymer build: durable scuba regulator design.
- Sandblasted finish ensures regulator longevity.
- Compact regulator: 1 HP port, 4 LP ports included.
- Mares Dual 2S: adjustable, dependable regulator.

Seac IT500 300 DIN Regulator
- Seac IT500 DIN Regulator: Reliable scuba gear.
- Balanced diaphragm 1st stage for easy breathing.
- Adjustable 2nd stage Venturi for dive control.
- Cold water certified regulator: EN250 A rated.
- Durable, matte chrome finish scuba regulator.
- 2 HP ports & 4 LP ports for regulator versatility.

Seac IT500 ICE 230 INT Regulator
- Reliable Seac Regulator: Consistent performance.
- Cold Water Scuba Regulator: Certified EN250A.
- Balanced Diaphragm 1st Stage: Hot-forged design.
- Adjustable 2nd Stage: Venturi effect control.
- Durable Scuba Gear: Matt chrome finish, robust build.
- Easy Maintenance Regulator: Dive/Pre-Dive switch.

Apeks ATX Diving Regulator Yoke
- Apeks ATX regulator: reliable, consistent airflow.
- Enjoy effortless breathing with this scuba regulator.
- Durable build: dive confidently with Apeks regulator.
- Compact scuba regulator: travel-friendly design.
- Adjustable settings for personalized dive experience.
- Cold-water rated regulator: dive in any environment.

Apeks TEK3 Regulator Set
- Apeks TEK3: Superior regulator breathing effort.
- Over-balanced diaphragm: Reliable scuba regulator.
- Chrome-plated brass: Durable first stage regulator.
- Adjustable 2nd stage: Easy dive/pre-dive control.
- Nitrox compatible: Up to 40% O2 scuba gear.
- Compact regulator: Streamlined for ease of use.

Apeks XTX40/DS4 DIN Oxygen Regulator
- Apeks XTX40 regulator: reliable, balanced design.
- Enjoy effortless breathing with this scuba regulator.
- Cold-water rated regulator for extreme diving environments.
- Durable Apeks regulator: built to last for years.
- Compact scuba regulator: travel-friendly design.
- Adjustable regulator: customize your dive experience.

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:


Seac IT500 230 INT Regulator
- Seac IT500 regulator: reliable scuba gear.
- Balanced diaphragm 1st stage for cold water.
- Adjustable 2nd stage with Venturi Dive switch.
- INT regulator with 2 HP & 4 LP ports.
- Compact, hot-forged 1st stage regulator build.
- EN250A certified scuba regulator for assurance.

Interspiro Divator RS4 4-Port Regulator No gauge
- Interspiro Divator RS4 Regulator: Reliable scuba gear.
- Cold-water rated regulator: EN250 standard approved.
- 4 LP Ports: Maximize your scuba regulator options.
- Easy breathing regulator: Superior underwater comfort.
- Durable regulator: Built for demanding dives.
- Adjustable 2nd stage: Swivel for streamlined diving.

XS Scuba Hookah Second Stage Regulator
- XS Scuba: Reliable second stage regulator.
- Downstream valve ensures easy, balanced breathing.
- Chrome plated brass & plastic: built for durability.
- Adjustable IP range: 50 to 140 psi for performance.
- Compact hookah regulator, ideal for surface supply.
- Lifetime limited warranty: peace of mind included.
Includes Free
$29.95Value:

Includes Free
$29.95Value:
