First Stage Scuba Regulators & Second Stage Regulators

212 results

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

edge card
Mares 82X First Stage INT Regu Picture

Mares 82X First Stage INT Regulator

SKU: MRS1S82MFR: 416248INT
  • 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.
In Stock
Free Shipping
Ways to Save
Mares 22 Navy II First Stage I Picture

Mares 22 Navy II First Stage INT Regulator

SKU: MRS1S22RNVMFR: 416270INT
  • 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.
In Stock
Free Shipping
Ways to Save
Mares 15X First Stage INT Regu Picture

Mares 15X First Stage INT Regulator

SKU: MRS1S15UBKIMFR: 416237INT
  • 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.
In Stock
Free Shipping
Ways to Save
Mares 15X First Stage DIN Regu Picture

Mares 15X First Stage DIN Regulator

SKU: MRS1S15ABKDMFR: 416237DIN
  • 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.
In Stock
Free Shipping
Ways to Save
Mares R2S First Stage INT Regu Picture

Mares R2S First Stage INT Regulator

SKU: MRS1SRBKIMFR: 416232INT
  • 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.
In Stock
Free Shipping
Ways to Save
Cressi AC25M Master Cromo Regu Picture

Cressi AC25M Master Cromo Regulator

SKU: CSBAC25MMFR: HX900000
  • Cressi Regulator: Reliable, balanced piston 1st stage.
  • Master Cromo: Durable chrome-plated brass 1st stage.
  • Pneumatically balanced 2nd stage ensures easy breathing.
  • Adjustable inhalation effort knob for custom dives.
  • Compact, lightweight design for comfortable diving.
  • 5 LP ports & 2 HP ports for versatile configuration.
Aqualung Leg3nd Regulator Picture

Aqualung Leg3nd Regulator

SKU: UDRLR
(1)
  • 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.
Scubapro MK25 Evo BT/G260 Carb Picture

Scubapro MK25 EVO BT/G260 Carbon Regulator

SKU: SCPM25EBG26BMFR: 12.771.550
  • 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.
Scubapro MK19 EVO BT/G260 Carb Picture

Scubapro MK19 EVO BT/G260 Carbon BT Regulator

SKU: SCPMK19MFR: 12.719.500
(1)
  • Scubapro regulator: cold-water rated, reliable system.
  • Enjoy easy breathing with balanced second stage design.
  • Compact Scubapro dive regulator; lightweight & durable.
  • Adjustable 2nd stage for personalized dive experience.
  • Black Tech brass 1st stage ensures regulator serviceability.
  • Scubapro regulator with carbon fiber 2nd stage cover.
Mares Rover 2S Regulator, DIN Picture

Mares Rover 2S Regulator, DIN

SKU: MRSR2S2DMFR: 416255DIN
  • Mares regulator: reliable, downstream 2nd stage.
  • Balanced scuba regulator for optimal performance.
  • Compact regulator: lightweight, travel-friendly design.
  • Nitrox compatible regulator, up to 40% oxygen.
  • Adjustable Mares regulator for easy, smooth breathing.
  • Durable scuba gear: corrosion-resistant materials.

Includes Free

$152.96Value:

Mares Loop OctopusMares Loop Octopus
In Stock
Free Shipping
Ways to Save

Includes Free

$152.96Value:

Mares Loop OctopusMares Loop Octopus
Atomic Aquatics Z3 Sealed Regu Picture

Atomic Aquatics Z3 Sealed Regulator, DIN

SKU: ATMZ3SDMFR: 03-0090-7P
(2)
  • 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 MK25 EVO/A700 Carbon  Picture

Scubapro MK25 EVO/A700 Carbon BT DIN Regulator

SKU: SCPM25EA7CBDMFR: 12.770.800
(1)
  • 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.
Apeks ATX Diving Regulator Yok Picture

Apeks ATX Diving Regulator Yoke

SKU: APXARYMFR: RG117111
  • 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.
Scubapro MK19 EVO DIN 300 Firs Picture

Scubapro MK19 EVO DIN 300 First Stage Dive Regulator

SKU: SCPMK19RDMFR: 10.719.030
  • Scubapro MK19 EVO: Reliable first stage regulator.
  • Balanced diaphragm ensures consistent performance.
  • Dive confidently: Cold-water rated regulator design.
  • Compact Scubapro regulator: Streamlined for diving.
  • 5 LP ports offer superior hose configuration options.
  • Marine-grade brass: Durable Scubapro regulator.
Scubapro Mark 25 EVO Regulator Picture

Scubapro Mark 25 EVO Regulator DIN, First Stage Only

SKU: SCPM25EDMFR: 10.713.030
(2)
  • 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/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.
Aqualung Helix Pro DIN Regulat Picture

Aqualung Helix Pro DIN Regulator

SKU: UDRHPDMFR: RG150003
  • Aqualung Helix Pro: Reliable scuba regulator.
  • Enjoy easy breathing with balanced 2nd stage.
  • Adjustable Venturi switch prevents free flow.
  • Durable chrome-plated brass 1st stage regulator.
  • Compact & lightweight: Travel-friendly design.
  • Nitrox compatible regulator up to 40% O2.
Seac Set IT500 230 DIN Regulat Picture

Seac Set IT500 230 DIN Regulator with Octopus

SKU: SECSIT230DMFR: 0350112000005A
  • Balanced diaphragm ensures reliable air delivery.
  • Adjustable Venturi system for optimal breathing control.
  • Durable chrome finish for long-lasting regulator life.
  • Compact design enhances comfort during every dive.
  • Easy maintenance design simplifies regulator upkeep.
  • Nitrox compatible scuba regulator for versatile use.
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.
Mares Dual ADJ 62X 75th Annive Picture

Mares Dual ADJ 62X 75th Anniversary Yoke Regulator

SKU: MRSDAARMFR: 416280
(2)
  • Mares regulator: reliable, smooth, easy breathing.
  • Adjustable 2nd stage ensures optimal dive control.
  • Cold-water rated scuba regulator for any condition.
  • Durable technopolymer build for long regulator life.
  • Compact, lightweight design for travel & comfort.
  • Balanced diaphragm 1st stage for consistent airflow.

Includes Free

$152.96Value:

Mares Loop OctopusMares Loop Octopus
In Stock
Free Shipping
Ways to Save

Includes Free

$152.96Value:

Mares Loop OctopusMares Loop Octopus
Mares Dual 15X Regulator Picture

Mares Dual 15X Regulator

SKU: MRSD15XMFR: 416258INTBK
(2)
  • 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.
In Stock
Free Shipping
Ways to Save
Scubapro MK19 EVO/A700 Dive Re Picture

Scubapro MK19 EVO/A700 Regulator

SKU: SCPM19EA700MFR: 12.719.010
(1)
  • Scubapro regulator: balanced for superior airflow.
  • Dive regulator system: reliable in cold water dives.
  • Adjustable 2nd stage: customize your breathing effort.
  • Compact scuba regulator: lightweight for travel ease.
  • High-flow ports: optimal regulator performance underwater.
  • Scubapro regulator: durable, chrome-plated brass build.
Aqualung Titan Regulator Picture

Aqualung Titan Regulator

SKU: UDRTRNMFR: RG128111
(26)
  • Aqualung Titan Regulator: Reliable scuba gear.
  • Balanced diaphragm 1st stage regulator design.
  • Adjustable 2nd stage for easy, custom breathing.
  • Lightweight, compact regulator for travel dives.
  • Cold-water rated regulator; dependable performance.
  • Scuba regulator with lifetime warranty included.
Apeks XTX40 DS4 Regulator - Di Picture

Apeks XTX40 DS4 Regulator - Din

SKU: APXXDRDMFR: RG114119
  • 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.
Pageof 9
Per Page
24