Dive Air Sources

Cressi Octopue XS2

88 reviews

SKU: CSBOXS

~~$189.95~~ Save: $60 (32%)

^$129.95

+ wishlist

In Stock

DESCRIPTION

A reliable and high-performance Cressi XS Octopus with a lightweight design and dependable valve.

Pros

Great performance and breathability
Good value for the price
Easy to use and adjust
Budget-friendly
Reliable and durable

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP19BR

~~$219.95~~ Save: $39 (18%)

^$180.95

+ wishlist

In Stock

DESCRIPTION

A reliable, nitrox-ready aluminum pony tank with high flow valve, available in five sizes.

Pros

Reliable backup air supply
Minimal effect on buoyancy and trim
Good air capacity
Affordable price
Versatile for different diving scenarios

Cressi AC2/XS2 Regulator

57 reviews

SKU: CSBRXS2

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

^$219.95

+ wishlist

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 Air 2, Combination Octopus/Inflator Regulator

49 reviews

SKU: SCPA2GYR

^$329

+ wishlist

In Stock

DESCRIPTION

A durable and versatile combination octopus/inflator regulator with easy-to-use features and a classic design.

Pros

Breathability
Reduces clutter and eliminates hoses
Convenient and practical
Combination of octopus and inflator
Streamlined design

Atomic Aquatics Safe Second Inflator (SS1), Stainless Steel

34 reviews

SKU: ATMSS1SBL

^$449.95

+ wishlist

In Stock

DESCRIPTION

A streamlined stainless steel inflator with high flow 2nd stage and easy single hand operation.

Pros

Convenient
No leaks
Streamlined setup
Easy breathing at depth
Versatility

Mares Prestige 15X and Prestige Octopus Package

32 reviews

SKU: MRSPKPRGY

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

^$449

+ wishlist

In Stock

DESCRIPTION

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

Mares Prestige Octopus

30 reviews

SKU: MRSPRO

~~$169.95~~ Save: $45.00 (26%)

^$124.95

+ wishlist

In Stock

DESCRIPTION

A compact and reliable octopus with easy breathing and durable housing.

Pros

Good value for the price
Suitable for beginners
Durable and long-lasting
Easy breathing
Reliable performance

Suunto Transmitter Only for Air Integrated Wrist Computers

29 reviews

SKU: SQTVTCT

^$399

+ wishlist

In Stock

DESCRIPTION

A streamlined transmitter for air-integrated wrist computers with easy installation and unique functions.

Pros

Convenient air integration
Helpful customer service
Easy installation and setup
Seamless syncing
Reliable performance

Aqualung Calypso/Titan Octopus

28 reviews

SKU: UDRCTO

^$239

+ wishlist

In Stock

DESCRIPTION

A reliable and easy-to-use octopus with a silicone mouthpiece and polycarbonate housing.

Pros

Great breathability
Reliable and easy to use
Prompt delivery and well-packed
Inexpensive and good value
Works well in cold water

Oceanic Alpha 8 Octopus, Yellow

21 reviews

SKU: OCNA8O

^$169.95

+ wishlist

In Stock

DESCRIPTION

A durable and lightweight yellow octopus with nitrox compatibility and high visibility hose.

Pros

Versatile as primary and octopus second stage
Good value for the price
Easy breathing and smooth operation
Decent quality
Reliable and durable

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

+ wishlist

In Stock

DESCRIPTION

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

Aqualung Calypso Regulator

12 reviews

SKU: UDRCLR

^$389

+ wishlist

In Stock

DESCRIPTION

A lightweight and reliable Aqualung Calypso Regulator with adjustable 2nd stage and Nitrox compatibility.

Tank to Tank Equalizer with Pressure Gauge

11 reviews

SKU: AQUTTED

^$169.95

+ wishlist

In Stock

DESCRIPTION

A chrome-plated brass Tank to Tank Equalizer with Pressure Gauge for maximizing air availability and easy equalizing of cylinders.

Spare-Air 3000 Kit

10 reviews

SKU: SX27B

^$299.99

+ wishlist

In Stock

DESCRIPTION

A reliable and compact backup air supply kit for emergency out-of-air situations during diving, available in multiple sizes and colors.

Tusa SS-0002 Duo Air II Alternate Combo Inflator

10 reviews

SKU: TBTSS02

^$299

+ wishlist

In Stock

DESCRIPTION

A combination octopus regulator/power inflator with an air balanced power inflator valve and classic downstream regulator valve.

Cressi AC2/XS2 Regulator & XS2 Octo Package

9 reviews

SKU: PCKXS2

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

^$299

+ wishlist

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

+ wishlist

In Stock

DESCRIPTION

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

Cressi Octopus Compact

9 reviews

SKU: CSBOC

^$159.95

+ wishlist

In Stock

DESCRIPTION

A reliable and comfortable Cressi octopus with a low profile design and non-corrosive materials.

Atomic Aquatics B2 Regulator Yoke

8 reviews

SKU: ATMB2S

^$969.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, all-titanium regulator with adjustable 2nd stage and patented comfort swivel for easy breathing.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

+ wishlist

In Stock

DESCRIPTION

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

Aqualung Airsource Complete

6 reviews

SKU: UDRAS3QD

^$279

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced octopus and BCD inflator combo with soft-touch purge cover and rapid-exhaust valve.

Scubapro Luna 2.0 Air Integrated Computer

6 reviews

SKU: SCPL2AIC

^$499

+ wishlist

In Stock

DESCRIPTION

A wireless air-integrated computer with customizable settings, a modern display, and intuitive interface.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1299

+ wishlist

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

+ wishlist

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: DIVRG5300D

^$575

+ wishlist

In Stock

DESCRIPTION

A patented Dive Rite XT regulator with optimal hose routing, 5 LP ports, and Teflon-coated parts.

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Dive Air Sources

When choosing dive air sources, it’s important to understand the unique roles these pieces of equipment play in your overall safety and comfort underwater. Whether you’re a new diver building your first kit or a seasoned explorer venturing into deeper, more challenging environments, alternate and redundant air sources can make a significant difference in your peace of mind. Alternate air sources, often referred to as octopus regulators, are a staple in every diver’s setup. They provide a reliable way to share air with a buddy in an emergency, such as an out-of-air situation or a primary regulator malfunction. These secondary regulators are typically brightly colored for visibility and are attached to the first stage of your main tank, making them easy to locate and deploy in a pinch. For recreational divers, especially those diving with friends or in groups, having an alternate air source is not just a recommendation—it’s a necessity. The feeling of handing off your octopus to a buddy in need, or knowing that someone can do the same for you, is a reassuring part of the dive experience. It’s also a thoughtful gift for new divers, as it’s a piece of gear that will see use on every single dive, from local lakes in the crisp autumn air to warm tropical reefs.

For divers who push their boundaries—whether exploring wrecks, navigating caverns, or simply diving deeper—a redundant air source offers an additional layer of security. Unlike the octopus, which relies on your main tank’s air supply, redundant sources like pony bottles or compact backup cylinders are completely independent systems. These setups are invaluable in situations where your primary air supply could be compromised, such as entanglement in kelp forests, equipment failure, or unexpected delays during ascent. Carrying a redundant air source means you have your own reserve to rely on, which can be a game-changer in complex or high-risk environments. The cooler months of October and beyond often bring clearer water and fewer crowds, making it an ideal time for technical dives or exploring new underwater landscapes—conditions where true air redundancy becomes even more important. Maintenance and setup for these systems require a bit more attention, and it’s worth investing the time to become familiar with their operation. For divers with a technical bent or those who love tinkering with gear, assembling and maintaining a redundant air source can be as rewarding as the dives themselves. They also make a practical and highly appreciated gift for dive buddies who are advancing their training or planning ambitious trips.

When considering which dive air source is right for you or the diver in your life, think about the types of dives planned, the environments encountered, and the level of self-reliance desired. Some divers prefer the simplicity of an alternate air source, while others appreciate the added safety of a fully redundant system. There are also hybrid solutions, such as combination inflator-regulators, that streamline gear while providing emergency air. No matter the choice, regular inspection and maintenance are crucial to ensure reliability when it matters most. For those looking to expand their knowledge or complement their air source setup, a wide range of accessories and tools are available to optimize performance and safety. Explore more options and ensure you’re fully equipped for your next underwater adventure by visiting our Diving Air Tools page. Whether you’re gearing up for a crisp autumn dive or planning a winter getaway, investing in the right air source is an essential step toward safer, more enjoyable dives.