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

Scubapro MK11 EVO First Stage Regulator
- 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.
Scubapro MK11 EVO/R105 Dive Regulator System
- Scubapro regulator ensures reliable scuba diving.
- Enjoy easy breathing with this dive regulator system.
- Compact scuba regulator for travel convenience.
- Durable regulator built for cold water diving.
- Adjustable Scubapro regulator for optimal airflow.
- First and second stage regulator for scuba gear.
Scubapro MK11 EVO/S270 Dive Regulator System
- Scubapro regulator: reliable, durable build.
- Balanced 2nd stage ensures effortless breathing.
- Compact dive regulator, ideal for travel scuba.
- Cold-water regulator: consistent performance.
- Low maintenance scuba regulator system design.
- Adjustable breathing for optimal dive control.
Aqualung Helix DIN Regulator with Octopus
- 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.

Atomic Aquatics ST1 Swivel Sealed Regulator
- 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
Scubapro MK17 EVO 2/C370 Dive Regulator System
- 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.
Cressi XS Compact AC2 Regulator and Octopus
- Cressi regulator: reliable scuba gear, compact size.
- AC2 regulator: enjoy easy breathing underwater dives.
- Dive/Pre-Dive Venturi: adjustable 2nd stage control.
- Durable regulator: polymer, rubber, silicone build.
- Nitrox compatible regulator: safe, versatile use.
- Cressi XS Compact Octopus: dependable backup air.
Includes Free
$29.95Value:

Includes Free
$29.95Value:

Seac PX100 230 INT Regulator with Octopus
- Seac INT regulator: reliable scuba gear, explore depths.
- Adjustable 2nd stage ensures easy, comfortable breathing.
- Cold-water rated regulator for diving in all conditions.
- Durable, compact scuba regulator: built to last dives.
- Venturi effect dive switch for optimal adjustability.
- High-performance regulator with braided, coated hose.

Sherwood Magnum Pro Regulator
- Sherwood regulator: reliable, balanced piston 1st stage.
- Adjustable 2nd stage for optimal breathing effort.
- Durable, marine-grade brass Sherwood scuba regulator.
- Nitrox compatible regulator, up to 40% oxygen blend.
- Compact regulator design with dive/pre-dive switch.
- 2 HP ports & 4 LP ports for versatile hose routing.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Atomic Aquatics Z2 Regulator, Yoke
- Atomic Aquatics Z2 Regulator: Reliable air delivery system
- Experience reliable air delivery with the Atomic Aquatics Z2 Regulator, ensuring smooth, effortless breaths
- Adjustable breathing via flow control knob feature
- Durable construction with chrome plated brass
- Compact design for streamlined scuba diving
- Easy maintenance with quality regulator materials

Mares Prestige 15X and Prestige Octopus Package
- Mares regulator: reliable, downstream 2nd stage.
- Balanced diaphragm 1st stage ensures consistent airflow.
- Lightweight scuba regulator; travel-friendly design.
- Nitrox compatible regulator, up to 40% oxygen.
- Durable build: chromed brass, techno-polymer stages.
- Easy maintenance regulator; extended product lifespan.
Includes Free
$29.95Value:

Includes Free
$29.95Value:

Scuba Regulator & Octo Grab Bag
- 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:

Includes Free
$29.95Value:


Cressi XS Compact AC2 Regulator
- Cressi Regulator: Reliable scuba gear, compact size.
- Balanced flow-by piston ensures effortless breathing.
- Adjustable 2nd stage for optimal dive performance.
- Durable chromed brass 1st stage, polymer 2nd stage.
- Compact XS2 regulator: Lightweight, easy servicing.
- Ideal scuba regulator for warm water environments.
Aqualung Leg3nd MBS Regulator with Legend Octopus
- Aqualung Leg3nd: Reliable scuba regulator system.
- Balanced regulator ensures effortless breathing.
- Adjustable 2nd stage for personalized comfort.
- Compact scuba gear: Lightweight & travel-friendly.
- Cold-water regulator with environmental dry kit.
- Dive confidently with balanced pressure design.

Mares Epic 82X Regulator
- Mares Regulator: Balanced diaphragm 1st stage.
- Epic ADJ 82X: Adjustable Venturi dive/pre-dive.
- Reliable scuba regulator: Nitrox compatible to 40%.
- Regulator: 5 LP ports, 2 HP ports for accessories.
- Mares 2nd stage: Pneumatically balanced design.
- Compact regulator: Lightweight, travel-friendly build.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Oceanic Alpha 8 SP5 Piston Regulator, Black
- 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.
Sherwood Oasis Pro Regulator & Sherwood Octopus
- 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:

Includes Free
$29.95Value:


Mares SXS 62X DIN Diving Regulator
- Mares regulator: Reliable, consistent performance.
- Dive regulator: Enjoy effortless, adjustable breathing.
- Compact scuba regulator: Lightweight for travel ease.
- Durable regulator: Built to withstand harsh conditions.
- DIN regulator: Easy service, extended lifespan.
- First & second stage: Superior airflow delivery.
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:


Scubapro MK11 EVO/C370 Dive Regulator
- Scubapro regulator: Reliable, balanced diaphragm design.
- Dive regulator: Effortless breathing at any depth.
- Durable scuba gear: Chrome-plated brass 1st stage.
- Compact regulator: Lightweight for travel and diving.
- High-performance regulator: Optimal airflow design.
- Cold water regulator: Dependable in all conditions.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Scubapro S600 Regulator, Second Stage Only
- 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:

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.

Mares Prestige 15X Regulator
- Mares regulator: Reliable downstream second stage.
- Prestige 15X: Balanced diaphragm 1st stage design.
- Nitrox ready: Up to 40% O2 compatibility included.
- Scuba regulator: Four 3/8" LP ports for versatility.
- Durable build: Chromed brass, techno-polymer design.
- Lightweight regulator: Travel-friendly, only 34 ounces.

Apeks MTX-RC Scuba Regulator - Din
- 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.