First Stage Scuba Regulators & Second Stage Regulators
216 resultsSave 5% Every Day† with the Scuba.com Edge Card. Learn More
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.
Atomic Aquatics B2 Sealed Regulator, DIN
SKU: ATMB2SDBKMFR: 03-0027-7P
(3)- Atomic Aquatics B2 Regulator: Unmatched breathing effort
- Breathe easy with this Atomic Aquatics B2 regulator, designed for smooth, reliable air delivery underwater
- DIN regulator: Cold-water rated, sealed system
- Balanced piston 1st stage: Superior reliability
- Titanium 2nd stage: Lightweight, durable design
- Adjustable 2nd stage: Customize your airflow
Mares Ultra Adj 82X Regulator
SKU: MRSUA82XMFR: 416250INTBK
(1)- 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:
Dive Rite FT1 First Stage
SKU: DIVRG5700
- Dive Rite FT1: Reliable regulator first stage.
- Balanced diaphragm ensures effortless breathing.
- Durable, black SN-Ni plated marine brass build.
- Four LP ports & two HP ports for easy configuration.
- Nitrox compatible up to 40% oxygen for versatility.
- Environmentally sealed for cold water performance.
Interspiro Divator RS4 4-Port Regulator Open Box
SKU: INSDR4PGDOBMFR: INSDR4PGDOB
- Interspiro Divator: Reliable scuba regulator.
- Cold water regulator: EN250 certified performance.
- Optimal breathing effort: Dive with confidence.
- Durable regulator: Built for lasting performance.
- Easy servicing: Simplified scuba gear maintenance.
- Compact regulator: Streamlined design for divers.
Save $155
$974.00
Save: $155.00 (16%)In Stock
Free Shipping
Hollis 500SE DC7 Regulator with Gauge and Hose
SKU: PCKDHRP3
- 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
Sherwood 70th Anniversary SR3 Regulator
SKU: SWD70AS
- Sherwood Regulator: Reliable, Easy Breathing Design
- Balanced 2nd Stage Provides Consistent Airflow
- Compact Scuba Regulator, Ideal for Travel Divers
- Cold-Water Rated Regulator for Extreme Conditions
- Adjustable Settings for Personalized Dive Comfort
- Premium Platinum Finish on this Anniversary Regulator
Save $120
$920.00
Save: $120.05 (13%)In Stock
Free Shipping
Scubapro MK17 EVO 2/S620 Ti Dive Regulator System
SKU: SCPMK17R
(1)- 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.
Aqualung Leg3nd Elite Black Edition Din Regulator
SKU: UDRLEDLEMFR: RG148011
- Aqualung Regulator: Superior, reliable breathing.
- Leg3nd Elite: Adjustable for personalized comfort.
- Overbalanced diaphragm ensures consistent airflow.
- Scuba Regulator: Cold-water rated for diving.
- Durable build: Lifetime warranty included with DIN.
- Compact, lightweight 2nd stage: Only 227 grams.
Aqualung Helix DIN Regulator with Octopus
SKU: UDRHDOMFR: RQ135001
(1)- 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.
Seac Set IT500 Ice 300 DIN Regulator with Octopus
SKU: SECSI300MFR: 0350112002005A
- Seac Regulator: Reliable, cold-water certified DIN.
- Balanced diaphragm 1st stage ensures easy breathing.
- Adjustable 2nd stage with Venturi dive/pre-dive.
- Durable, matte chrome finish for long regulator life.
- Compact scuba regulator set; includes octopus & hose.
- 2 HP ports & 4 LP ports for versatile configuration.
In Stock
Free Shipping
Highland Vortex DIN First Stage Regulator
SKU: XSSRGH610MFR: RGH610
- Highland regulator: reliable, durable first stage.
- DIN fitting ensures a secure, airtight regulator seal.
- Optimized regulator for effortless, easy breathing.
- Cold-water rated regulator for diving adventures.
- Compact regulator design; easy servicing access.
- 5 LP & 2 HP ports offer versatile regulator setup.
Save $69
$753.00
Save: $69.05 (9%)In Stock
Free Shipping
Aqualung Leg3nd MBS Regulator with Leg3nd Supreme Octopus
SKU: PCKALMRO
(1)- Aqualung Leg3nd: Reliable scuba regulator system.
- Balanced diaphragm 1st stage ensures consistent airflow.
- Adjustable 2nd stage for effortless, easy breathing.
- Compact regulator design; ideal for travel divers.
- Cold-water rated regulator for extreme conditions.
- Nitrox compatible; scuba regulator, up to 40% O2.
Scubapro MK25 EVOBT/S620Ti 60th Anniversary Edition, Open Box
SKU: SCPMEBTMFR: 12.620.450+OB
- Scubapro Regulator: Reliable, high-performance scuba gear.
- Dive Regulator System: Enjoy effortless, easy breathing.
- Adjustable 2nd Stage: Customize your dive experience.
- Cold-Water Rated Regulator: Durable for any environment.
- Compact Scuba Regulator: Lightweight for travel and diving.
- Balanced Piston 1st Stage: Consistent air delivery.
Includes Free
$29.95Value:
Includes Free
$29.95Value:
Scubapro MK25T EVO/S620 Ti Regulator
SKU: SCPM25TES620MFR: 12.620.400
(2)- Scubapro Regulator: Superior breathing performance.
- MK25T EVO/S620 X-Ti: Unmatched cold water diving.
- Titanium 1st stage: Lightweight, durable regulator.
- Adjustable 2nd stage: Customize breathing effort.
- Balanced piston 1st stage: Reliable air delivery.
- Dive Regulator System: High-flow ports for optimal use.
Includes Free
$29.95Value:
Includes Free
$29.95Value:
Oceanic Alpha 8 SP5 Piston Regulator, Black
SKU: OCNA8SP5BKMFR: 40.3520.29
(13)- 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.
In Stock
Free Shipping
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.
Includes Free
$29.95Value:
Includes Free
$29.95Value:
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.
Includes Free
$29.95Value:
Includes Free
$29.95Value:
Atomic Aquatics Z2 Regulator, Yoke
SKU: ATMZ2SGYMFR: 03-0050-3P
- 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
Sherwood Magnum Pro Regulator
SKU: SWDRMPMFR: SRB9350
(3)- 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:
Mares Epic 82X Regulator
SKU: MRSE82XMFR: 416247INT
- 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
$152.96Value:
Includes Free
$152.96Value:
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.
In Stock
Free Shipping
Scuba Regulator Grab Bag
SKU: SCBR1MFR: SCBR1
(8)- 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
Includes Free
$29.95Value:
Includes Free
$29.95Value:
Sherwood Oasis Pro Regulator
SKU: SWDOPS
- Sherwood Regulator: Reliable, consistent airflow.
- Oasis Pro: Effortless breathing, adjustable settings.
- Cold-Water Rated Regulator: Dive with confidence.
- Durable Scuba Regulator: Built to last for years.
- Compact Regulator Design: Travel-friendly profile.
- Sealed 1st Stage: Prevents contamination damage.
Save $75
$570.00
Save: $75.05 (13%)In Stock
Free Shipping