First Stage Kits

Cressi AC2/XS2 Regulator

57 reviews

SKU: CSBRXS2

~~$289.95~~ Save: $70 (24%)

^$219.95

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In Stock

DESCRIPTION

A dependable piston regulator with a marine-grade brass 1st stage and durable hi-tech polymer 2nd stage.

Pros

Lightweight and comfortable
Reliable and dependable
Affordable and good value for money
Easy and effortless breathing
Versatile and works in both cold and warm water

Scubapro "300 bar" (4350 psi) DIN Conversion Kit

37 reviews

SKU: SCPDC3

~~$69.95~~ Save: $20 (29%)

^$49.95

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In Stock

DESCRIPTION

A Durable and easy-to-install DIN conversion kit for Scubapro regulators, perfect for traveling divers.

Pros

Fast and easy conversion
Excellent quality
Easy installation
Reliable
Works as advertised

Mares Prestige 15X and Prestige Octopus Package

32 reviews

SKU: MRSPKPRGY

~~$619.90~~ Save: $170.90 (28%)

^$449

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In Stock

DESCRIPTION

A lightweight Mares regulator package with diaphragm first-stage, 4 LP ports, and 2 HP ports.

Scuba Regulator & Octo Grab Bag

15 reviews

SKU: SCBR1O

~~$514.90~~ Save: $134.95 (26%)

^$379.95

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In Stock

DESCRIPTION

A reliable and balanced scuba regulator and octo grab bag for underwater diving.

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

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In Stock

DESCRIPTION

A durable black piston regulator with easy breathing, Nitrox compatibility, and exceeding safety standards.

Zeagle F8 Yoke Regulator

12 reviews

SKU: ZGLF8

^$749.95

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In Stock

DESCRIPTION

A high-performance yoke regulator with a low-profile design, environmentally sealed first stage, and adjustable second stage.

Highland by XS Scuba Stage Bottle Strap Kits

12 reviews

SKU: XSSSBSK7

^$97

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In Stock

DESCRIPTION

A durable strap kit for technical diving that secures and supports extended bottom time.

Mares Abyss 22 Navy II Regulator

10 reviews

SKU: MRSAN22

^$869.95

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In Stock

DESCRIPTION

A high-performance scuba diving regulator with an environmentally sealed, balanced diaphragm design for extreme conditions.

Cressi AC2/XS2 Regulator & XS2 Octo Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $45.90 (13%)

^$299

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In Stock

DESCRIPTION

A lightweight, high-performance regulator and octopus package with a non-balanced flow-by piston design.

Highland by XS Scuba Compact DIN First Stage

9 reviews

SKU: XSSCDF

^$109.95

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In Stock

DESCRIPTION

A compact and low profile DIN first stage with fail-safe flow, made of marine grade brass.

Mares LED Tank Module

8 reviews

SKU: MRSQT

~~$339.95~~ Save: $40.95 (12%)

^$299

+ wishlist

In Stock

DESCRIPTION

A Mares LED Tank Module with RF transmission, LED indicator for tank pressure, and streamlined dive profile.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

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In Stock

DESCRIPTION

A lightweight, ergonomic regulator with a titanium second stage and patented comfort swivel.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1299

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In Stock

DESCRIPTION

A high-performance regulator set with customizable breathing options and enhanced cold-water diving capabilities.

Atomic Aquatics M1 Regulator Yoke Sealed

6 reviews

SKU: ATMM1BK

^$1019.95

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In Stock

DESCRIPTION

A high-performance regulator designed for extreme diving situations, with nitrox-ready capabilities and freeze protection.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$575

+ wishlist

In Stock

DESCRIPTION

A patented, environmentally sealed regulator with optimal hose routing and Teflon-coated parts.

Dive Rite XT1/XT2 Advanced Open Water Regulator Package

5 reviews

SKU: DIVPK53D

^$975

+ wishlist

In Stock

DESCRIPTION

A streamlined, environmentally sealed regulator with adjustable 2nd stage and cold-water ready components.

Atomic Aquatics Z3 Regulator Yoke

4 reviews

SKU: ATMZ3RY

^$719.95

+ wishlist

In Stock

DESCRIPTION

A budget-friendly, high-performing regulator with self-lubricating seal, freeze protection, and swivel for easy underwater movement.

Scubapro MK25 EVO/G260 Dive Regulator System

4 reviews

SKU: SCPM25EG26

^$1049

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with adjustable 2nd stage, 5 LP ports, and enhanced freezing resistance.

Cressi AC2/XS2 Reg, XS2 Octo and Mini 2 Gauge

3 reviews

SKU: PCKXS22G

~~$544.85~~ Save: $99.90 (18%)

^$444.95

+ wishlist

In Stock

DESCRIPTION

A reliable and comfortable regulator system with primary, octopus, and analog pressure/depth gauge console.

7/16" High Pressure Port Plug

3 reviews

SKU: AQUHPP

^$12.95

+ wishlist

In Stock

DESCRIPTION

A durable marine grade chromed brass plug that fits 7/16" first stage HP ports.

Zeagle F8 DIN Regulator

3 reviews

SKU: ZGLF8D

^$749.95

+ wishlist

In Stock

DESCRIPTION

A balanced diaphragm design DIN regulator with adjustable 2nd stage and environmentally sealed DIN type.

Cressi AC2 Compact Yoke Regulator

2 reviews

SKU: CSBAC

^$329.95

+ wishlist

In Stock

DESCRIPTION

A reliable and high-performing Cressi regulator with adjustable 2nd stage and comfortable silicone mouthpiece.

Scubapro Mark 25 EVO Regulator, First Stage Only

2 reviews

SKU: SCPM25E

^$519

+ wishlist

In Stock

DESCRIPTION

A top-performing Scubapro first stage regulator with superb inhalation sensitivity and 5 LP ports.

Highland by XS Scuba Spanner Wrench

2 reviews

SKU: XSSWS

^$31.95

+ wishlist

In Stock

DESCRIPTION

A versatile spanner wrench with adjustable range and threaded spanner pins for multiple regulator models.

Scubapro Mark 2 EVO Regulator DIN, First Stage Only

2 reviews

SKU: SCPM2ED

^$319

+ wishlist

In Stock

DESCRIPTION

A lightweight Scubapro Mark 2 EVO DIN regulator with increased airflow and easy maintenance.

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First Stage Kits

Exploring the world of scuba diving or snorkeling often begins with understanding the critical role of first stage kits in your gear setup. These essential components, sometimes referred to as first stage scuba kits or scuba first stage kits, are the foundation of any breathing system underwater. The first stage of a regulator is responsible for reducing the high-pressure air from your tank to an intermediate pressure, making it safe and breathable as it moves through the rest of your gear. Whether you’re a seasoned diver preparing for deep explorations or a new enthusiast eager to experience the freedom of underwater adventure, choosing the right scuba 1st stage is a decision that influences safety, comfort, and overall enjoyment. For those who prefer the reliability and security of a DIN first stage, especially in environments where higher pressures are common, ensuring compatibility with your cylinder and the rest of your equipment is crucial. As the weather warms and dive sites become more accessible, many divers take the opportunity to upgrade or replace their diving stage components in anticipation of longer, more frequent outings.

First stage kits make thoughtful gifts for both novice and experienced divers, especially as the diving season stretches from late spring through late summer. Gifting a high-quality first stage kit is a meaningful way to support someone’s passion for underwater exploration, whether they are working toward their certification, planning a special dive trip, or simply looking to refresh their gear. These kits are not only practical but also signal a commitment to safety and performance. When selecting a first stage kit, consider the specific diving conditions the recipient is likely to encounter—warmer waters call for different features than colder environments, where specialized equipment such as those found in Cold Water Stage Kits may be necessary. Attention to details like port configuration, ease of maintenance, and compatibility with both yoke and DIN valves ensures the kit will serve reliably across a range of adventures. Divers who travel often may appreciate compact, lightweight options, while technical or cold-water divers will benefit from robust, environmentally sealed designs that stand up to challenging conditions.

Investing in a quality diving stage is about more than just performance—it’s about peace of mind and the freedom to focus on the underwater world rather than equipment concerns. Regular inspections and timely replacement of O-rings, filters, and other critical components are essential to keep your scuba first stage functioning smoothly across changing seasons. Many divers keep a backup kit or spare parts on hand, ensuring they are always prepared for spontaneous trips or unexpected equipment needs. Whether assembling your first complete setup or upgrading for specialized dives, the right first stage kit is a cornerstone of every safe, enjoyable dive. As you browse the selection, think about your unique needs, future ambitions, and the environments you’re most excited to explore. With the right gear in place, every dive becomes an opportunity to discover something new, connect with nature, and create lasting memories beneath the surface.