Redundant Breathing Systems For Scuba

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP40

^$264.95

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In Stock

DESCRIPTION

A reliable, nitrox-ready aluminum pony tank with high flow capacity valve and convertible K-valve.

Pros

Perfect size for various needs
Sufficient air capacity
Economical price
Reliable backup option
Versatile for different diving scenarios

Atomic Aquatics Safe Second Inflator (SS1), Stainless Steel

34 reviews

SKU: ATMSS1SBL

^$429.95

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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

XS Scuba Pony Bag

14 reviews

SKU: XSSPBB19

^$27

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In Stock

DESCRIPTION

A sturdy and secure pony bag with self-draining mesh bottom, ideal for connecting to primary diving cylinder.

Spare-Air 3000 Kit

10 reviews

SKU: SX27B

^$299.99

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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

^$265

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In Stock

DESCRIPTION

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

XS Scuba Alt Air Octopus

8 reviews

SKU: XSSAAOBK

^$97.95

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In Stock

DESCRIPTION

A classic downstream demand valve octopus with an intelligent in-line mouthpiece and Miflex hose.

H2Odyssey Quick Release EAS Bag for 6-cu. ft. Tank

6 reviews

SKU: H2EASB6

~~$11.95~~ Save: $4.00 (33%)

^$7.95

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In Stock

DESCRIPTION

A durable nylon bag that securely holds a 6 cu ft cylinder for easy accessibility.

Mares Pure SLS BCD, Mares Prestige 15X Regulator, Mares Prestige Octopus & Mares Mission 3 Gauge Console Bundle

2 reviews

SKU: PKGPROGR

~~$1287.99~~ Save: $488.99 (38%)

^$799

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In Stock

DESCRIPTION

A complete life support bundle featuring the Mares Pure SLS BCD, Prestige 15X Regulator, Prestige Octopus, and Mission 3 Gauge Console.

Thunderbird 40 cu. Ft Aluminum Tank with Pro valve

2 reviews

SKU: MTLTA40YL

^$259.95

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In Stock

DESCRIPTION

A 40 cu. ft aluminum tank with Pro valve, nitrox ready up to 40%, corrosion-resistant and convertible.

Dive Rite O2 DECO Regulator

1 reviews

SKU: DIVRG5400

^$299

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In Stock

DESCRIPTION

A compact and lightweight DECO regulator with oxygen-compatible materials and advanced performance.

Aqualung Leg3nd MBS Regulator

2 reviews

SKU: UDRLMYD

^$999

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In Stock

DESCRIPTION

A high-performing and easy-to-use regulator with adjustable 2nd stage and exceptional cold-water performance.

Thunderbird 13 cu. ft Aluminum Tank with Pro Valve

SKU: MTLTA13BR

~~$189.95~~ Save: $27.95 (15%)

^$162

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In Stock

DESCRIPTION

A 13 cu. ft aluminum tank with Pro Valve, Nitrox ready up to 40%, corrosion-resistant and convertible.

Aqualung Helix Pro Octopus

SKU: UDRHPO

^$249

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In Stock

DESCRIPTION

A pneumatically balanced octopus with a venturi switch and patented heat exchanger in hi-viz yellow.

Spare-Air Nitrox Kit

SKU: SX27NB

^$319.99

+ wishlist

In Stock

DESCRIPTION

A redundant alternate nitrox gas source that allows for self-rescue in emergency situations.

Interspiro Divator RS4 4-Port Regulator, No Gauge

SKU: INSDR4PGD

^$974

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator with four low-pressure ports, shockproof rubber cover, and stable intermediate pressure.

Mares Dual 15X Regulator with Dual Octopus, Quad Ci Wrist Dive Computer and LED Tank Module 2.0 Transmitter

SKU: MRSD15XK4

~~$1587~~ Save: $158 (10%)

^$1429

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In Stock

DESCRIPTION

A lightweight, high-performance diving set featuring techno-polymer construction, advanced air flow systems, and a color display.

Highland Vortex Octopus

SKU: XSSRGH650

^$250.95

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced, freeze-resistant backup regulator with a yellow Miflex hose for high-visibility and smooth airflow.

Cressi XS Octopus

87 reviews

SKU: CSBOXS

~~$124.95~~ Save: $15.95 (13%)

^$109

+ 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

Scubapro Air 2, Combination Octopus/Inflator Regulator

49 reviews

SKU: SCPA2GYR

^$320

+ 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

Aqualung Calypso/Titan Octopus

28 reviews

SKU: UDRCTO

^$219

+ 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

Scuba Regulator & Octo Grab Bag

15 reviews

SKU: SCBR1O

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

^$379.95

+ wishlist

In Stock

DESCRIPTION

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

Mares Prestige 15X and Prestige Octopus Package

10 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.

Hollis DC7 500SE Regulator with Maxflex Hose

10 reviews

SKU: HLSDC75Y

~~$749.95~~ Save: $350.00 (47%)

^$399.95

+ wishlist

In Stock

DESCRIPTION

A precision regulator set with environmentally sealed, durable materials and adaptable second stage positioning.

OTS Spectrum Full Face Mask

10 reviews

SKU: OTSSFMBLCL

^$479

+ wishlist

In Stock

DESCRIPTION

A secure and comfortable full face mask with a wide field of vision for cold water diving.

Scubapro MK25 EVO/S620Ti Dive Regulator System

9 reviews

SKU: SCPM25ES620

^$1185

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with a balanced piston first stage and adjustable inhalation control.

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Redundant Breathing Systems For Scuba

Redundant breathing systems for scuba diving are an essential component of a diver’s safety toolkit, particularly for those who venture beyond the limits of recreational diving or who prioritize preparedness in every underwater scenario. These systems, often referred to as backup air sources, are designed to provide an independent supply of breathing gas in the event of a primary regulator or tank failure. Whether you’re exploring deep wrecks off the coast during the warm July dive season, navigating intricate cave passages, or simply want peace of mind when guiding new divers, having a redundant breathing system can make all the difference. The reassurance of an alternate air source allows divers to focus on the beauty and adventure beneath the surface, rather than worrying about the what-ifs. For instructors, divemasters, and experienced recreational divers alike, these systems are not just a piece of equipment—they’re a commitment to safety and self-reliance.

When considering the purchase of a redundant breathing system, it’s important to think about your typical dive environment, training level, and the type of diving you enjoy. Compact pony bottles, integrated backup regulators, and self-contained bailout systems each offer unique benefits, from streamlined profiles for travel to robust designs for technical expeditions. Many divers choose to invest in these systems after progressing from open water to more advanced certifications, or when planning dives in remote or challenging conditions where immediate assistance may not be available. Redundant breathing systems also make thoughtful and practical gifts for the diver in your life, especially during the summer months when dive trips and vacations are in full swing. Gifting a backup air source is a gesture of care, signaling a shared understanding of the importance of safety and adventure. For those introducing friends or family to the underwater world, or for seasoned divers preparing for a busy season, having reliable backup gear is as vital as a well-fitting mask or a trusted wetsuit.

Selecting the right redundant breathing system involves evaluating factors such as capacity, ease of deployment, compatibility with existing gear, and maintenance requirements. Many divers recall their first experience with a backup system—perhaps during a training exercise, feeling the immediate comfort of a redundant air supply, or witnessing a fellow diver handle an equipment issue with calm confidence. These moments underscore the value of redundancy and the role it plays in building trust within a dive team. As you browse our curated selection, you’ll find options suitable for every level of experience and every type of underwater adventure. Whether you’re gearing up for a series of summer dives or planning a special gift for a dive buddy, investing in a quality backup breathing system is a wise choice. For further information and a broader overview of available options, visit our Diving Redundant Systems page to ensure you’re fully prepared for your next underwater journey.

Top Picks For Redundant Breathing Systems For Scuba