First Stage Scuba Regulators & Second Stage Regulators

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

edge card
Shop Used  (22)
Categories:All CategoriesRegulators
First & Second Stages
Brand
Price Range
to
Ratings & Reviews
(58)
& up(137)
& up(146)
& up(148)
& up(149)
Filter By
Discount
Color
Configuration
Special Features
First Stage Type
By Activity
HP Ports
LP Ports
Aqualung Helix Pro Yoke Regula Picture

Aqualung Helix Pro Yoke Regulator

SKU: UDRHPYMFR: 706015BKBKINT
  • Aqualung Regulator: Balanced for effortless breathing.
  • Helix Pro: Reliable scuba gear for all dive conditions.
  • Adjustable 2nd Stage: Customize your dive experience.
  • Compact regulator design: Lightweight & travel-friendly.
  • Nitrox compatible: Up to 40% O2 for enriched air dives.
  • Durable build: Chrome plated brass 1st stage material.
In Stock
Free Shipping
Ways to Save
Scubapro MK11/S270 DIN Regulat Picture

Scubapro MK11/S270 DIN Regulator

SKU: SCPM11S270DMFR: 12.177.300
  • 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.
In Stock
Free Shipping
Ways to Save
Aqualung Leg3nd Elite Black Ed Picture

Aqualung Leg3nd Elite Black Edition Yoke Regulator

SKU: UDRLELEMFR: 706013BKBKINT
  • Aqualung Leg3nd: Superior, reliable regulator.
  • Overbalanced diaphragm 1st stage for optimal scuba.
  • Pneumatically balanced 2nd stage ensures easy breathing.
  • Adjustable venturi switch on this scuba regulator.
  • Compact regulator design; cold-water ready system.
  • Lifetime warranty on Aqualung scuba regulators.
Trending
Limited Time Offer!
$964.95
$1,199.00
Save: $234.05 (20%)
$81/mo suggested payments with 12‑month special financing. Learn how.
In Stock
Free Shipping
Ways to Save
Oceanic Delta 5 Second Stage O Picture

Oceanic Delta 5 Second Stage Only

SKU: OCND5SMFR: 40.7595.07
(3)
  • Oceanic regulator: reliable, balanced airflow.
  • Adjustable second stage: effortless breathing.
  • Durable metal valve body ensures longevity.
  • Compact scuba regulator: travel-friendly design.
  • Easy service regulator: simplified maintenance.
  • Dive/Pre-Dive switch: customize inhalation effort.
In Stock
Free Shipping
Ways to Save
XS Scuba Inspire Regulator Picture

XS Scuba Inspire Regulator

SKU: XSSIRMFR: RG500
(1)
  • Balanced diaphragm 1st stage ensures reliability.
  • Adjustable 2nd stage offers easy, custom breathing.
  • Compact XS Scuba regulator; travel-friendly design.
  • Nitrox compatible regulator, up to 40% oxygen.
  • Pneumatically-balanced valve for smooth airflow.
  • Cold-water rated; dependable scuba gear regulator.
In Stock
Free Shipping
Ways to Save
Atomic Aquatics Z3 Sealed Regu Picture

Atomic Aquatics Z3 Sealed Regulator Yoke

SKU: ATMZ3SYMFR: 03-0090-6P
(1)
  • Atomic Aquatics Z3 Regulator: Superior reliability underwater
  • Experience reliable, balanced airflow with this Atomic Aquatics Z3 scuba regulator for confident dives
  • Balanced flow piston ensures effortless breathing
  • Adjustable 2nd stage for personalized comfort
  • Nitrox compatible scuba gear, up to 40% O2
  • Durable build: stainless steel & plated brass
In Stock
Free Shipping
Ways to Save
Apeks XTX40/DS4 DIN Oxygen Reg Picture

Apeks XTX40/DS4 DIN Oxygen Regulator

SKU: APXXTX4DS4DMFR: 726001BCGNNX
  • 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.
In Stock
Free Shipping
Ways to Save
Dive Rite FT1/XT2 Advanced Ope Picture

Dive Rite FT1/XT2 Advanced Open Water Package

SKU: DIVPK5800
  • Dive Rite regulator: Reliable, balanced diaphragm.
  • Adjustable 2nd stage for easy, custom breathing.
  • Nitrox compatible regulator, up to 40% oxygen.
  • Durable marine brass 1st stage, chrome plated.
  • Compact regulator bag included for travel, storage.
  • Cold-water rated regulator for optimal performance.
In Stock
Free Shipping
Apeks XL4+ Regulator - Din Picture

Apeks XL4+ Regulator - Din

SKU: APXXRDMFR: 726049BCWHDIN
  • Apeks XL4+ Regulator: Reliable scuba gear.
  • Lightweight regulator for effortless breathing.
  • Durable first and second stage regulator set.
  • Compact scuba regulator, easy to use design.
  • Cold water regulator: Dependable performance.
  • DIN fitting regulator with 1 HP & 4 LP ports.
In Stock
Free Shipping
Ways to Save
Mares Dual ADJ 62X Performance Picture

Mares Dual ADJ 62X Performance DIN Regulator Set

SKU: MRSPDA62BKDMFR: 416282 BK D
  • Optimal scuba regulator for reliable breathing.
  • Durable construction ensures lasting performance.
  • Adjustable second stage for personalized airflow.
  • Superior cold water dive capability and safety.
  • Effortless maintenance for consistent use.
  • Lightweight design enhances dive comfort.
In Stock
Free Shipping
Ways to Save
Seac PX100 230 Yoke Regulator Picture

Seac PX100 230 Yoke Regulator

SKU: SECP230IMFR: 0350095000004A
  • 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.
In Stock
Free Shipping
Ways to Save
Atomic Aquatics B2 Sealed Regu Picture

Atomic Aquatics B2 Sealed Regulator Yoke

SKU: ATMB2SSMFR: 03-0027-6P
(7)
  • Atomic Aquatics B2 Regulator: Balanced for optimal airflow
  • Experience effortless, easy breathing with this Atomic Aquatics B2 regulator, designed for optimal airflow
  • Scuba Regulator: Cold-water rated for extreme dives
  • Dive Regulator: Adjustable flow control for comfort
  • Atomic Aquatics Regulator: Compact, lightweight, travel-ready
  • B2 Regulator: Reliable, durable, corrosion-resistant
In Stock
Free Shipping
Ways to Save
Atomic Aquatics B2 Regulator Y Picture

Atomic Aquatics B2 Regulator Yoke

SKU: ATMB2SMFR: 03-0027-3P
(8)
  • Atomic Aquatics B2 Regulator: Superior breathing effort
  • Breathe easy with Atomic Aquatics B2 Regulator's balanced design, ensuring effortless air delivery underwater
  • Durable scuba regulator with titanium components
  • Balanced flow-through piston 1st stage regulator
  • Adjustable 2nd stage for optimized air flow control
  • Cold water performance scuba gear regulator
In Stock
Free Shipping
Ways to Save
Seac PX100 230 DIN Regulator Picture

Seac PX100 230 DIN Regulator

SKU: SECP230DMFR: 0350095000003A
  • 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.
In Stock
Free Shipping
Ways to Save
Scubapro C370 Regulator, Secon Picture

Scubapro C370, Second Stage Only

SKU: SCPC370MFR: 11.370.000
(1)
  • Scubapro C370: Reliable second stage regulator.
  • Adjustable knob offers easy breathing control.
  • Dive/Pre-Dive switch ensures optimal performance.
  • Air-balanced valve provides consistent airflow.
  • Durable nylon housing for long-lasting use.
  • Lightweight, compact Scubapro regulator design.
In Stock
Free Shipping
Ways to Save
Scubapro MK2 EVO/S270 Regulato Picture

Scubapro MK2 EVO/S270 Regulator

SKU: SCPM2ES270MFR: 12.127.000
  • Scubapro regulator ensures reliable, effortless breathing.
  • Compact regulator design for easy servicing & travel.
  • Durable Scubapro regulator built for long-lasting use.
  • Cold-water rated regulator for diving in all conditions.
  • First & second stage regulator with dive/pre-dive switch.
  • Scubapro regulator: Four LP ports, one HP port included.
In Stock
Free Shipping
Ways to Save
Scubapro MK25 EVO/A700 Carbon Picture

Scubapro MK25 EVO/A700 Carbon BT Regulator

SKU: SCPM25EA7CBMFR: 12.770.700
(3)
  • 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.
In Stock
Free Shipping
Ways to Save
Mares Dual 2S Regulator Picture

Mares Dual 2S Regulator

SKU: MRSD2SR
  • 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.
In Stock
Free Shipping
Scubapro MK11 EVO Regulator, F Picture

Scubapro MK11 EVO First Stage Regulator

SKU: SCPMK11E
  • 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.
In Stock
Free Shipping
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
Scubapro Mark 2 EVO Regulator, Picture

Scubapro Mark 2 EVO Regulator, First Stage Only

SKU: SCPM2EMFR: 10.063.000
  • 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.
In Stock
Free Shipping
Ways to Save
Scubapro MK11 EVO/R105 Dive Re Picture

Scubapro MK11 EVO/R105 Dive Regulator System

SKU: SCPR105
  • 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.
In Stock
Free Shipping
Scubapro MK17 EVO 2/S620 Ti Di Picture

Scubapro MK17 EVO 2/S620 Ti Dive Regulator System

SKU: SCPMK17R
(2)
  • Scubapro MK17 EVO regulator: cold-water ready.
  • Balanced dive regulator ensures effortless breathing.
  • Titanium valve housing offers superior durability.
  • Compact scuba regulator design for easy travel.
  • Adjustable second stage for personalized comfort.
  • High-performance regulator: reliable & lightweight.
In Stock
Free Shipping
Scubapro A700 Regulator, Secon Picture

Scubapro A700, Second Stage Only

SKU: SCPA700MFR: 11.700.000
(5)
  • 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.
In Stock
Free Shipping
Ways to Save
Pageof 10
Per Page
24