Redundant Air Tanks

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP13

^$174.95

+ wishlist

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

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.

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

6 reviews

SKU: H2EASB6

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

^$7.95

+ wishlist

In Stock

DESCRIPTION

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

Thunderbird 40 cu. Ft Aluminum Tank with Pro valve

2 reviews

SKU: MTLTA40YL

^$259.95

+ wishlist

In Stock

DESCRIPTION

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

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.

Thunderbird 13 cu. ft Aluminum Tank with Pro Valve

SKU: MTLTA13BR

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

^$162

+ wishlist

In Stock

DESCRIPTION

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

Catalina 80 Cubic Foot Aluminum Tank with Pro Valve

151 reviews

SKU: AQUTA8RD

^$299.95

+ wishlist

In Stock

DESCRIPTION

A 80 cubic foot aluminum tank with a pro valve that won't rust, has great buoyancy, and a high flow capacity valve.

Pros

Well-made and durable
Good customer service
Variety of color options
Great price and value
Fast delivery time

Faber High Pressure Steel Tank

72 reviews

SKU: FBRHP149SG

~~$549.95~~ Save: $50.00 (9%)

^$499.95

+ wishlist

In Stock

DESCRIPTION

A high-pressure steel scuba cylinder with triple-protected zinc and painted finish, Nitrox ready for versatility.

XS Scuba Faber High Pressure Steel Tank

50 reviews

SKU: FBRHP100G

^$519.95

+ wishlist

In Stock

DESCRIPTION

A versatile high-pressure steel tank with buoyancy advantages, Nitrox ready up to 40%.

Pros

High gas capacity
Good value for the price
Excellent tank and valve setup
Fast delivery and great condition
Improved buoyancy characteristics

Faber Low Pressure Steel Tank

18 reviews

SKU: FBRLP50SG

~~$344.95~~ Save: $9.95 (3%)

^$335

+ wishlist

In Stock

DESCRIPTION

A durable, nitrox-ready steel tank with a versatile valve, offering optimal weight distribution and buoyancy control.

XS Scuba Pony Bag

14 reviews

SKU: XSSPBB13

^$20

+ wishlist

In Stock

DESCRIPTION

A sturdy and secure pony bag that easily connects to your primary diving cylinder.

Tank to Tank Equalizer with Pressure Gauge

11 reviews

SKU: AQUTTED

~~$169.95~~ Save: $70.00 (41%)

^$99.95

+ wishlist

In Stock

DESCRIPTION

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

Blue Reef Cross-Over Equalizer

6 reviews

SKU: AQUTCED

~~$169.95~~ Save: $55.00 (32%)

^$114.95

+ wishlist

In Stock

DESCRIPTION

A blue tank accessory with chrome plated brass fittings that maximizes air availability and is equipped with bleeder valves.

Faber 23 High Pressure Steel Tank Only

4 reviews

SKU: FBRHP23W

^$249.95

+ wishlist

In Stock

DESCRIPTION

A high-pressure steel tank by Faber, nitrox ready up to 40%, with optimum weight distribution.

Thunderbird 80 cu. ft Aluminum Tank ~ Limited Time FREE with Thermo International Valve, Tank Boot and Valve Cap

2 reviews

SKU: MTLTA80BL

~~$324.95~~ Save: $60 (18%)

^$264.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant aluminum tank with a convertible valve and easy-grip rubber hand-wheel.

Catalina 63 Cubic Foot Aluminum Tank with Pro Valve

2 reviews

SKU: AQUTA63YL

^$314.95

+ wishlist

In Stock

DESCRIPTION

A 63 cubic foot aluminum tank with a pro valve, rust-free and buoyant, with high flow capacity valve.

Air Line Model R360XL Hookah

1 reviews

SKU: ALHR360XL

^$3794.95

+ wishlist

In Stock

DESCRIPTION

A marine-specific hookah system with adjustable 2nd-stage and 4 HP motor.

Highland by XS Scuba 90 Degree Gauge Adapter

SKU: XSSNDGA

^$39

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant chromed brass gauge adapter that allows for mounting a mini tech gauge to an HP hose.

Hollis DT Wings

SKU: HLSDTW45

^$699.95

+ wishlist

In Stock

DESCRIPTION

A durable and versatile Hollis DT Wings with multiple lift capacities and easy-to-reach OPV's.

H2Odyssey Station Filler for Extra Air Source

SKU: H2EASSFA

~~$39.95~~ Save: $14.96 (37%)

^$24.99

+ wishlist

In Stock

DESCRIPTION

A chrome plated marine brass accessory for filling extra air sources directly from fill stations.

Highland by XS Scuba Inline Gauge Adapter

SKU: XSSIGA

^$44

+ wishlist

In Stock

DESCRIPTION

A chrome-plated brass inline gauge adapter for mounting a mini tech gauge to an HP hose.

Zeagle Single Pressure Gauge, Imperial 11" Rubber Hose

SKU: ZGLPGMH11

^$169.95

+ wishlist

In Stock

DESCRIPTION

A durable and compact pressure gauge with a short 11" rubber hose for easy monitoring underwater.

Page of 3

Per Page

More Results

Redundant Air Tanks

For divers who prioritize safety and preparedness, redundant air tanks are a crucial piece of equipment that can make all the difference in the water. These systems are designed to provide an independent backup air supply, offering peace of mind whether you’re exploring a deep wreck, navigating intricate cave passages, or simply want an extra layer of security during recreational dives. Redundant air tanks are especially valuable for those who venture into environments where direct ascent is not always possible, such as overhead environments or during technical dives with decompression stops. Summer often brings a surge of diving activity, with warmer waters and longer daylight hours drawing enthusiasts to coastal sites and inland lakes alike. It’s during these busy months that having a backup air source becomes even more important, as dive sites can be crowded and conditions unpredictable. Redundant air tanks are not just for advanced or technical divers—anyone who values self-reliance and wants to be prepared for unexpected situations can benefit from adding one to their gear setup.

When considering a redundant air tank, it’s important to think about your diving style, typical dive environments, and personal comfort level. These tanks come in various sizes and configurations, from compact pony bottles that can be slung under an arm or attached to your main cylinder, to larger stage bottles used in technical diving. The choice often depends on the duration and depth of your dives, as well as how much extra air you want to carry. Divers who frequently dive with buddies who are newer to the sport, or who act as guides or instructors, may find redundant air tanks especially useful for providing assistance in out-of-air emergencies. They also make thoughtful and practical gifts for experienced divers who already have most of the basic gear, offering a meaningful upgrade that enhances safety. Many divers have stories of unexpected situations—a regulator failure, a lost buddy, or a surprise current—that were resolved safely thanks to a backup air source. The added confidence of knowing you have a reliable contingency can transform your underwater experience, allowing you to focus on the beauty and adventure of the dive rather than potential “what ifs.”

Beyond the immediate safety benefits, redundant air tanks can also expand your diving horizons. With the right setup, you can tackle more challenging sites, participate in advanced courses, or simply enjoy longer bottom times with the assurance that you’re well-prepared. As you browse the selection of redundant air tanks, consider how each option integrates with your existing equipment and dive profile. Features like easy-to-read pressure gauges, streamlined mounting systems, and robust valve mechanisms can make a significant difference in both convenience and performance. If you’re interested in learning more about how these systems work and which configurations might best suit your needs, our comprehensive overview on Redundant Air Systems offers in-depth information and guidance. Whether you’re gearing up for a summer of adventure or looking to enhance your year-round safety, a redundant air tank is a smart investment that supports your passion for exploration and your commitment to safe diving practices.

Top Picks For Redundant Air Tanks