Reliable Alternate Air Source Regulators

Cressi XS Octopus

87 reviews

SKU: CSBOXS

^$124.95

+ 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: AQUTP13BR

~~$179.95~~ Save: $10 (6%)

^$169.95

+ wishlist

In Stock

DESCRIPTION

A reliable and versatile pony bottle tank with a high flow capacity valve and aluminum alloy design.

Pros

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

Cressi XS2/AC2 Piston Regulator

57 reviews

SKU: CSBRXS2

~~$269.95~~ Save: $50 (19%)

^$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: ATMSS1SRD

^$449.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, 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

29 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

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.

Sherwood Brut Pro Regulator

13 reviews

SKU: SWDBRP

^$374.95

+ wishlist

In Stock

DESCRIPTION

A reliable Sherwood Brut Pro regulator with optimal inhalation and exhalation, nitrox compatible up to 40%.

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

^$265

+ wishlist

In Stock

DESCRIPTION

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

Cressi XS2/AC2 Regulator and XS Octopus Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $94.91 (28%)

^$249.99

+ wishlist

In Stock

DESCRIPTION

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

XS Scuba Alt Air Octopus

8 reviews

SKU: XSSAAOYL

^$119.95

+ wishlist

In Stock

DESCRIPTION

A reliable Alt Air Octopus with a unique mouthpiece and resistant Miflex hose for comfortable diving.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

~~$1299~~ Save: $71 (5%)

^$1228

+ wishlist

In Stock

DESCRIPTION

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

Cressi Octopus Compact Pro

4 reviews

SKU: CSBOCPN

^$179.95

+ wishlist

In Stock

DESCRIPTION

A low profile octopus with a comfortable silicone mouthpiece and smooth operation.

Sherwood SR2 Regulator & Octopus

3 reviews

SKU: SWDSR2RO

~~$1024.90~~ Save: $189.95 (19%)

^$834.95

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator system with advanced technology, true balanced first stage design, and NITROX compatibility.

Aqualung Leg3nd Octopus

3 reviews

SKU: UDRLO

^$299

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced octopus with easy work-of-breathing, venturi switch, and nitrox compatibility.

Scubapro MK25 EVO/A700 Carbon BT Yoke Dive Regulator System

3 reviews

SKU: SCPM25EA7CB

^$1799

+ wishlist

In Stock

DESCRIPTION

A durable and sleek black regulator with adjustable 2nd stage and enhanced cold-water diving capabilities.

Mares Loop Octopus

2 reviews

SKU: MRSLO

~~$179.95~~ Save: $26.99 (15%)

^$152.96

+ wishlist

In Stock

DESCRIPTION

A vertical regulator design with a downstream demand valve and S-VAD system for easy breathing.

Sherwood Oasis Pro Regulator

2 reviews

SKU: SWDRO

~~$494.95~~ Save: $260.95 (53%)

^$234

+ wishlist

In Stock

DESCRIPTION

A Sherwood Oasis Pro Regulator with moisture retention vanes, easy-breathing design, and environmentally sealed first stage.

Cressi XS Compact AC2 Regulator

2 reviews

SKU: CSBAC

^$264.95

+ wishlist

In Stock

DESCRIPTION

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

Scubapro MK11 EVO/C370 Dive Regulator

1 reviews

SKU: SCPMK11DRSD

^$699

+ wishlist

In Stock

DESCRIPTION

A lightweight Scubapro dive regulator set with air-balanced diaphragm design and adjustable controls for personalized breathing comfort.

Scubapro MK25 EVO/A700 Carbon BT DIN Dive Regulator System

1 reviews

SKU: SCPM25EA7CBD

^$1799

+ wishlist

In Stock

DESCRIPTION

A lightweight and durable Scubapro regulator with a carbon fiber 2nd stage front cover and black tech coating.

Dive Rite O2 DECO Regulator

1 reviews

SKU: DIVRG5400

~~$299~~ Save: $59.80 (20%)

^$239.20

+ wishlist

In Stock

DESCRIPTION

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

Zeagle Onyx II Octo with Hose Yellow

1 reviews

SKU: ZGLOO

^$219.95

+ wishlist

In Stock

DESCRIPTION

A compact and lightweight yellow octo with venturi free flow control and an ergonomic silicone mouthpiece.

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Reliable Alternate Air Source Regulators

When it comes to ensuring safety and preparedness underwater, having a reliable alternate air source regulator is non-negotiable for divers of all experience levels. Whether you’re a seasoned diver exploring deep wrecks or a beginner enjoying your first open water adventure, the peace of mind that comes from carrying a dependable backup air supply cannot be overstated. Alternate air source regulators, often referred to as octopus regulators or alternate inflator regulators, serve as a critical lifeline in the event of primary regulator malfunction or unexpected air depletion. These devices are engineered for quick access and effortless operation, even in high-stress situations. Their bright yellow coloring and extended hoses are not just for aesthetics—these features are designed for maximum visibility and easy sharing, ensuring that both you and your dive buddy can locate and deploy the alternate air source without hesitation.

Selecting the right scuba alternate air source involves considering several key factors tailored to your diving style and environment. For those who regularly dive in colder waters or at greater depths, robust construction and consistent airflow performance become paramount, as temperature and pressure fluctuations can challenge lesser equipment. Many divers appreciate the streamlined convenience of integrated alternate air source designs, which combine the regulator with the BCD inflator mechanism, reducing hose clutter and simplifying gear management. Others prefer the traditional dedicated octopus regulator for its flexibility and familiarity. As summer transitions into late August, dive conditions in many regions remain ideal, making this an excellent time to review your safety setup or consider gifting a high-quality alternate air source regulator to a loved one preparing for a certification course or embarking on a dive trip. It’s a thoughtful, practical gift that demonstrates genuine care for their well-being and enjoyment underwater.

No matter your choice, regular maintenance and professional servicing are essential to ensure your backup regulator is always ready to perform when needed. Many divers recall stories from their training or real-world dives where a reliable alternate air source made all the difference in a stressful moment—whether it was a buddy’s unexpected air depletion or a minor equipment hiccup at depth. Having the right alternate air source means you can focus on the thrill of discovery, confident that you’re prepared for the unexpected. For those interested in exploring the full range of options, including both integrated and dedicated designs, visit our comprehensive resource on Scuba Alternate Air Sources to learn more about the features and benefits that matter most. With the right gear in place, every dive becomes safer, more relaxed, and more enjoyable, allowing you to fully immerse yourself in the wonders beneath the surface.

Top Picks For Reliable Alternate Air Source Regulators