First Stage Scuba Regulators & Second Stage Regulators

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First & Second Stages

Apeks (19)Aqualung (13)Atomic Aquatics (19)Cressi (16)Dive Rite (15)Mares (35)Scubapro (55)Seac (15)Sherwood (9)Zeagle (10)

Price Range

$100 to $250 (13)$250 to $500 (65)$500 to $750 (72)$750 to $1000 (40)$1000 to $2500 (51)$2500 to $5000 (2)

Bundle & Save (3)Free Shipping (242)In Stock (191)Kits only (13)Non-Kits (230)Specials (33)Top Rated (67)

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10% Off or More (96)25% Off or More (14)35% Off or More (5)50% Off or More (1)

Special Features

Adjustable 2nd Stage (90)DIN Fitting (82)Environmentally Sealed (64)INT Fitting (40)Lightweight (58)O2 Ready (9)Swivel 2nd Stage (23)Titanium (15)

Configuration

First & Second Stage Set (195)First Stage Only (27)Second Stage Only (22)

HP Ports

1 HP Port (30)2 HP Ports (180)

First Stage Type

Diaphragm (140)Piston (71)

LP Ports

3 LP Ports (2)4 LP Ports (136)5 LP Ports (69)6+ LP Ports (1)

By Activity

Military & Rescue (26)Scuba (66)

Hollis DC7 First Stage Only

SKU: HLSFSDC7MFR: 240.3567

(4)

Hollis DC7: Reliable scuba regulator first stage.
Over-balanced diaphragm ensures easy breathing.
4 LP & 2 HP ports for versatile regulator setup.
Nitrox compatible scuba gear for enriched air use.
Durable, marine-grade black anodized brass build.
Compact & serviceable regulator for dive adventures.

^$339^.95

Temporarily On Backorder

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Poseidon 1st Stage Xstream Deep G5/8"

SKU: POSXD1MFR: 0110-000

(1)

Xstream Deep: Reliable scuba regulator, balanced.
First stage regulator: 5 LP & 2 HP ports.
Dive confidently: Cold-water rated regulator design.
Chrome-plated brass: Durable scuba gear material.
DIN fitting: Environmentally sealed first stage.
Optimize dives: Easy breathing regulator system.

Save $201

^$449^.00

$649.95

Save: $200.95 (31%)

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Zeagle Envoy/RaZor II Regulator

SKU: ZGLERIIMFR: 350-6300

(1)

Zeagle Regulator: Reliable, smooth, effortless breathing.
Durable Scuba Regulator: Built with marine-grade brass.
Envoy/RaZor II: Compact regulator for easy travel.
Dive/Pre-Dive switch prevents regulator free flow.
Nitrox compatible regulator, up to 40% oxygen.
Balanced 2nd stage provides consistent airflow.

^$499^.95

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First Stage Scuba Regulators & Second Stage Regulators

Ensure smooth, reliable air delivery with our top-quality first stage scuba regulators and second stage regulators. Designed for optimal breathing performance, these essential components help regulate airflow from your tank to your mouthpiece. A first stage dive regulator reduces high-pressure air from the tank, while a second stage dive regulator delivers it comfortably to the diver. Whether you're looking for balanced, unbalanced, piston, or diaphragm designs, we offer options for every diving style. Explore our selection to find the best first stage scuba regulators and second stage regulators for your needs and enjoy a safe, effortless dive every time. Shop Scuba today!