First Stage Scuba Regulators & Second Stage Regulators
220 resultsSave 5% Every Day† with the Scuba.com Edge Card. Learn More
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.
Includes Free
$29.95Value:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
Zeagle Envoy II DIN First Stage Only
SKU: ZGLEDMFR: 310-3320-S
- Zeagle regulator: reliable, balanced diaphragm design.
- Enjoy effortless breathing with this scuba first stage.
- Durable chrome-plated brass for long regulator life.
- Compact first stage: ideal for streamlined scuba gear.
- DIN fitting ensures a secure regulator connection.
- Cold-water rated: dive confidently in any condition.
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:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
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.
Includes Free
$29.95Value:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
Atomic Aquatics Z3 Regulator Yoke
SKU: ATMZ3RYMFR: 03-0090-3P
(4)- Atomic Aquatics Z3 Regulator: Superior breathing performance
- Breathe easy with the Atomic Aquatics Z3 regulator, designed for smooth, reliable air delivery underwater
- Durable scuba gear: Corrosion-resistant materials used
- Compact regulator design: Lightweight for travel
- Easy maintenance regulator: Simplified service needs
- Cold-water regulator: Reliable in all conditions
In Stock
Free Shipping
Seac PX100 230 INT Regulator with Octopus
SKU: SECSP230IMFR: 0350097000004A
- 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.
Save $124
$399.00
Save: $124.05 (31%)In Stock
Free Shipping
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.
Save $182
$629.00
Save: $182.00 (29%)In Stock
Free Shipping
Aqualung Helix Compact Pro Yoke Regulator
SKU: UDRHCPYMFR: RG154002
- Aqualung Regulator: Balanced for optimal performance.
- Compact Pro Yoke Regulator: Lightweight, travel-ready design.
- Helix Regulator: Enjoy easy, natural breathing underwater.
- Pneumatically-balanced: Consistent airflow at any depth.
- Cold-water rated regulator: Reliable in extreme conditions.
- Aqualung Regulator: Includes MFG Limited Lifetime Warranty.
In Stock
Free Shipping
Mares SXS 62X Yoke Diving Regulator
SKU: MRSSXS62YRGMFR: 416269INT
- Mares Regulator: Reliable, balanced diaphragm 1st stage.
- Lightweight regulator: Technopolymer 2nd stage, 5.5 oz.
- Diving regulator: Superflex hose for effortless dives.
- Cold water regulator: Optimized for consistent performance.
- Compact regulator: Travel-friendly, total weight 36.3 oz.
- Mares 62X regulator: 2 HP & 4 LP ports for customization.
Includes Free
$29.95Value:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
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 XS Compact AC2 Regulator and Octopus
SKU: CSBACROKMFR: HY787051
- 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:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
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.
Apeks XL4 Ocea Regulator
SKU: APX4OR
- Apeks XL4 Ocea: Reliable scuba regulator system.
- Dive confidently: Easy-breathing regulator design.
- Cold-water rated regulator for extreme dives.
- Durable build: Long-lasting scuba gear regulator.
- Adjustable 2nd stage for optimal performance.
- Compact, lightweight regulator: Travel-friendly.
In Stock
Free Shipping
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.
Apeks Sidemount Regulator Kit
SKU: APXSRKMFR: RP111122
(1)- Apeks regulator kit: reliable, balanced breathing.
- Sidemount regulator: compact, durable, lightweight build.
- Cold-water scuba regulator: dependable performance.
- Adjustable 2nd stage: customize breathing effort.
- Streamlined scuba gear: easy to use, less drag.
- Includes hoses & gauge: complete regulator system.
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.
Save $208
$659.00
Save: $208.00 (32%)In Stock
Free Shipping
Scubapro MK19 EVO First Stage Dive Regulator
SKU: SCPMK19RYMFR: 10.719.010
- Scubapro MK19 EVO: Reliable first stage regulator.
- Diaphragm design ensures consistent cold water dives.
- High airflow provides easy breathing at all depths.
- Compact regulator; ideal for travel and storage.
- Adjustable intermediate pressure for optimal performance.
- Durable construction guarantees long-lasting scuba gear.
Seac IT300 230 INT Regulator with Octopus
SKU: SECSI230IMFR: 0350107000004A
- Seac IT300 regulator: reliable scuba gear.
- Balanced diaphragm 1st stage for consistent airflow.
- Adjustable 2nd stage with Venturi dive switch.
- Cold water certified INT regulator for safety.
- Two HP ports & four LP ports for easy configuration.
- Durable, chrome-plated finish ensures longevity.
Save $174
$525.00
Save: $174.00 (33%)Ships from Manufacturer
Free Shipping
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
Mares 62X 1st Stage DIN Diving Regulator
SKU: MRS621DRGMFR: 416267DIN
- Mares regulator: reliable air delivery system.
- Durable construction for scuba diving regulator.
- Compact size: ideal first stage diving regulator.
- Easy maintenance diving regulator design.
- Nitrox compatible diving regulator system.
- Adjustable breathing: Mares scuba regulator.
Cressi Compact MC9 Regulator
SKU: CSBX9MFR: HX783051
(1)- Cressi Regulator: Balanced diaphragm 1st stage.
- Compact regulator: Lightweight for travel divers.
- Adjustable 2nd stage: Venturi dive/pre-dive switch.
- Reliable scuba regulator: Downstream demand valve.
- Cold-water regulator: Consistent performance assured.
- Cressi MC9 regulator: 4 LP & 2 HP ports included.
Includes Free
$29.95Value:
Scuba.com Round Regulator BagSave $30
$359.90
Save: $29.95 (8%)In Stock
Free Shipping
Includes Free
$29.95Value:
Scuba.com Round Regulator Bag
Mares SXS 62X DIN Diving Regulator
SKU: MRSSXS62DRGMFR: 416269DIN
- 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:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
Scubapro MK2 EVO/R105 Regulator
SKU: SCPM2ER105MFR: 12.105.000
- Scubapro Regulator: Reliable, easy breathing design.
- Cold-water rated regulator for optimal performance.
- Adjustable second stage for personalized comfort.
- Compact scuba regulator; lightweight & travel-friendly.
- Nitrox compatible regulator for enriched air use.
- Piston first stage regulator with swivel second stage.
Includes Free
$29.95Value:
Scuba.com Round Regulator BagIncludes Free
$29.95Value:
Scuba.com Round Regulator Bag
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