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


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:


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.

Scubapro MK25 EVO/A700 Carbon BT DIN Regulator
- Scubapro Regulator: Unmatched breathing performance.
- Dive Regulator: Durable carbon fiber 2nd stage cover.
- Cold Water Regulator: Reliable in extreme conditions.
- Scuba Regulator: Adjustable for personalized comfort.
- DIN Regulator: High-flow ports optimize air delivery.
- Scubapro Dive Gear: Easy maintenance, lifetime warranty.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


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:


Scubapro MK25 EVO/A700 Carbon BT Regulator
- Scubapro Regulator: Balanced for optimal airflow.
- Dive Regulator System: Cold-water rated for reliability.
- MK25 EVO/A700: Adjustable 2nd stage for easy breathing.
- Scuba Regulator: Compact, lightweight design.
- High-Performance Dive Regulator: 5 LP & 2 HP ports.
- Scubapro Dive Gear: Durable carbon fiber construction.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Scubapro Mark 25 EVO Regulator DIN, First Stage Only
- Scubapro regulator: Unmatched reliability underwater.
- Balanced piston 1st stage ensures effortless breathing.
- Chrome-plated brass: Durable regulator construction.
- 5 high-flow LP ports for versatile configuration.
- DIN fitting regulator: Optimal cold water performance.
- Compact, lightweight first stage: Easy maintenance.

Scubapro MK25 EVO BT/G260 Carbon Regulator
- Scubapro regulator: reliable, balanced piston 1st stage.
- G260 carbon 2nd stage ensures effortless breathing.
- Dive confidently with adjustable venturi & resistance.
- Cold water ready regulator for extreme environments.
- Durable, lightweight regulator with carbon fiber cover.
- High-flow ports offer superior regulator performance.
Includes Free
$29.95Value:

Includes Free
$29.95Value:


Mares Ultra Adj 82X Regulator, DIN
- Mares regulator: Reliable, balanced diaphragm 1st stage.
- Adjustable 2nd stage: Customize your scuba experience.
- Ultra Adj 82X: Easy breathing with VAD system.
- Nitrox compatible regulator: Up to 40% O2 ready.
- Compact scuba regulator: Lightweight for travel.
- Mares regulator: 5 LP & 2 HP ports for accessories.
Includes Free
$152.96Value:

Includes Free
$152.96Value:


Aqualung Leg3nd Regulator
- Aqualung Leg3nd: Reliable scuba regulator system.
- Balanced diaphragm 1st stage for consistent airflow.
- Adjustable 2nd stage: Effortless, easy breathing.
- Durable build: Chrome-plated brass, techno-polymer.
- Compact regulator design enhances dive experience.
- Nitrox compatible: Up to 40% O2 for enriched air.

Aqualung Leg3nd Elite Black Edition Stage 3 DIN Regulator Set
- Aqualung Leg3nd regulator for reliable performance.
- Enjoy easy breathing with balanced 2nd stage design.
- Cold water rated regulator ensures peak performance.
- Adjustability for personalized dive experience settings.
- Durable regulator built to last a lifetime warranty.
- Compact scuba regulator, ideal for travel and diving.

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

Highland by XS Scuba Compact DIN First Stage
- Compact DIN First Stage: Reliable scuba gear.
- Chrome-Plated Brass: Durable regulator material.
- Non-Balanced Piston: Ensures easy breathing.
- Two LP Ports, One HP Port: Adaptable regulator.
- Lightweight Design: Enhances diving comfort.
- Highland Regulator: Quality first stage design.

Apeks EVX200 Dive Regulator
- Effortless breathing with balanced second stage.
- Reliable coldwater diving performance ensured.
- Durable over-balanced diaphragm first stage.
- Optimal air delivery for demanding dive use.
- Streamlined maintenance; robust sealed design.
- Adjustable controls for personalized dive comfort.

Mares Atlas 62X Yoke Diving Regulator
- Mares regulator: reliable, easy breathing design.
- Atlas 62X yoke: durable scuba gear for all dives.
- Adjustable 2nd stage ensures optimal performance.
- Cold-water rated regulator for extreme conditions.
- Compact first and second stage set for travel.
- 2 HP ports & 4 LP ports for versatile configuration.
Includes Free
$152.96Value:

Includes Free
$152.96Value:


Scubapro MK25 EVO/S600 Regulator, DIN
- Scubapro Regulator: Superior, reliable breathing effort.
- MK25 EVO/S600: Durable regulator for any dive type.
- Adjustable 2nd Stage: Customize your dive experience.
- Cold-Water Rated: Scuba regulator performs in all temps.
- High-Flow Ports: Maximize air delivery with this regulator.
- Scubapro Regulator: Compact, travel-friendly scuba gear.

Atomic Aquatics Z3 Sealed Regulator, DIN
- Atomic Aquatics Z3 Regulator: Superior, reliable breathing
- Experience superior reliability with this Atomic Aquatics regulator, crafted for dependable performance
- Dive confidently with this sealed scuba regulator
- Enjoy effortless airflow from balanced regulator design
- Durable regulator: corrosion-resistant, long-lasting build
- Adjustable 2nd stage for personalized dive control
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.

Dive Rite XT Advanced Open Water Regulator
- Dive Rite regulator: Reliable, balanced diaphragm.
- Adjustable 2nd stage for easy, custom breathing.
- Nitrox compatible regulator, up to 40% oxygen.
- Durable chrome plated brass 1st stage regulator.
- Compact regulator bag included for transport.
- Complete scuba gear set with pressure gauge.

Scubapro A700 Regulator, Second Stage Only
- Scubapro A700: Reliable regulator for diving.
- Dive regulator: Effortless breathing, metal case.
- Compact second stage: Lightweight, durable build.
- Adjustable VIVA: Scubapro regulator performance.
- Regulator with easy maintenance, long-lasting.
- Scubapro: Cold-water regulator, 3/8" hose.
Includes Free
$29.95Value:

Includes Free
$29.95Value:

Aqualung Titan Regulator Bundle with Calypso/Titan Octopus
- 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.

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:


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.

OMS Evoque 2nd Stage Only (No Hose)
- OMS Evoque: Reliable scuba regulator 2nd stage.
- Adjustable 2nd stage: Dive/Pre-Dive Venturi switch.
- Pneumatically balanced for easy, natural breathing.
- Compact, impact-resistant regulator construction.
- Chromed brass internals ensure regulator serviceability.
- Upgrade your scuba gear with this OMS 2nd stage.
Includes Free
$29.95Value:

Includes Free
$29.95Value:

Dive Rite XT1/XT4 Advanced Open Water Regulator Package
- Balanced design ensures reliable air delivery.
- Adjustable breathing via venturi lever on 2nd stage.
- Durable construction with chrome plated marine brass.
- Compact size, ideal for travel and easy storage.
- Easy maintenance with coated brass & stainless steel.
- Dive Rite regulator: balanced for optimal performance.