Daisy
Last Updated: Jul 19, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ScubaDotCom | 9.78 | ❌ | ❌ | ❌ |
Completely redundant alternate air source: safety back-up air supply
Many advantages over standard alternate air source, allows self rescue in emergency out-of-air-situation
3000 PSI (200 bars) 3.0 cu. Ft. (85 liter) of outstanding, refillable backup air system, small and easy to use
Designed to get-you-to-surface in event of an emergency, easy-to-use and maintain, just put-in-mouth and breathe
Cylinder dimensions: (L x Dia.) 13.4" x 2.25" (34cm x 5.71cm) - weight: 2.17 lbs. (985 g)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DiveCatalog | 9.89 | ✅ | ✅ | ✅ |
Package includes Spare Air, Holster, Safety Leash and Refill Adapter.
Provides twice the amount of air over the standard 3.0 cu. ft. Spare Air.
Refill your Spare Air in seconds from any full SCUBA tank.
Weighing under 4 lbs. - the lightest 6.0 cu. ft. system on the market.
Submersible Systems (Spare Air) has been in business over 40 years, sold over 300,000 units and made in the USA.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DiveCatalog | 9.89 | ✅ | ✅ | ✅ |
* Easy to travel with! Easy to refill! Easy to wear! Easy to hand off to a fellow diver in trouble!
* High performance on-demand scuba regulator with a 3.0 cubic foot - 3000 psi tank, dial pressure gauge, fill adapter, holster, and leash
* Dial Gauge Upgrade instead of the standard Pin Style Pressure Indicator Assembly
* Deluxe Holster for easy mounting so you can easily reach it underwater.... Safety leash to prevent accidental loss allowing for quick retrieval if you drop your Spare Air. Quickly attaches or detaches for added safety
* Submersible Systems (Spare Air) has been in business over 40 years, sold over 300,000 units and made in the USA.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DiveCatalog | 9.89 | ✅ | ✅ | ✅ |
YOUR SAFETY SECURED: The Spare Air Emergency Tank was created after its inventor had a close call running out of air and barely escaping to the surface in time. With this simple backup tank you can ensure you'll always have enough air to return.
SIMPLE TO USE: The Spare Air system is designed to be simple so you can access your backup air any time. This refillable cylinder can be handed off to a fellow diver in trouble and begin providing nitrox oxygen in a moment's notice.
LOW PROFILE TANK: With it's small size and simple holster system this tank is out of the way when diving but easily accessible when you need it. It's 13.4" tall and has a 2.25" diameter. Weighing just 2.2lbs when full you can ignore this mini tank until you need it.
EVERYTHING YOU NEED: This black anodized aluminum scuba tank comes with a black holster that attaches easily to your dive gear, a leash to prevent accidental loss, and a refill adapter to fill air off of scuba tanks. This package has all the equipment you need to dive with added safety.
ALWAYS RETURN WITH AIR TO SPARE: After barely avoiding a catastrophe when he ran out of air on a dive Larry Williamson patented the Spare Air mini backup tank for divers. Spare Air has been ensuring safety for over 40 years with American made scuba tanks.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DiveCatalog | 9.89 | ✅ | ✅ | ✅ |
YOUR SAFETY SECURED: The Spare Air Emergency Tank was created after its inventor had a close call running out of air and barely escaping to the surface in time. With this simple backup tank you can ensure you'll always have enough air to return.
SIMPLE TO USE: The Spare Air system is designed to be simple so you can access your backup air any time. This refillable cylinder can be handed off to a fellow diver in trouble and begin providing nitrox oxygen in a moment's notice.
LOW PROFILE TANK: With it's small size and simple holster system this tank is out of the way when diving but easily accessible when you need it. It's 13.4" tall and has a 3.25" diameter. Weighing just 3.7lbs when full you can ignore this mini tank until you need it.
EVERYTHING YOU NEED: This black anodized aluminum scuba tank comes with a black holster that attaches easily to your dive gear, a leash to prevent accidental loss, and a refill adapter to fill air off of scuba tanks. This package has all the equipment you need to dive with added safety.
ALWAYS RETURN WITH AIR TO SPARE: After barely avoiding a catastrophe when he ran out of air on a dive Larry Williamson patented the Spare Air mini backup tank for divers. Spare Air has been ensuring safety for over 40 years with American made scuba tanks.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MyScubaShop | 6.13 | ❌ | ❌ | ❌ |
This Spare Air Upgraded Package comes complete with.... <BR>1.7 cubic foot - 3000 psi tank<BR>High performance on-damand supply regulator<BR>Dial Gauge Upgrade instead of the standard Pin Style Pressure Indicator Assembly<BR>Deluxe custom holster to attach to a modular-type vest.... ideal for Switlik Modular Aircrew Vest<BR>Under 9" tall, the "HEED 3" is the smallest emergency breathing device on the market<BR>Mouthpiece cover and lanyard included
Easy to travel with!.... Easy to hand off to a fellow pilot in trouble!
Easy to wear!
Easy to refill!
Submersible Systems (Spare Air) has been in business over 40 years, sold over 300,000 units and made in the USA.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MyScubaShop | 6.03 | ❌ | ❌ | ❌ |
Submersible Systems (Spare Air) has been in business over 40 years, sold over 300,000 units and made in the USA.
Compact and hands free when in use. Provides a completly redundant air source - safer and easier to use than the standard octopus. Faster too!
Chest mount harness for easy access
Used by the military and thousands of divers since 1979
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Spare Air | 7 |
We've carried out a comprehensive analysis of 28 reviews on diving safety gear, using our selection criteria to identify the best options in the sports apparel & equipment. Our findings reveal that most customers typically select diving safety gear priced around $383.65, with top brands including scubapro, owekfifv, spare air, smaco, divesafe scuba, jzliner, pluzluce, wicked and ocean reef and suunto
Our team of expert editors reviewed these high-quality items and handpicked the top 7 diving safety gear for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the sports apparel & equipment category. These include gearupguide / lancaster scuba, recoso store, divecatalog, scuba monkey dive center, sebiger, divesafe_scuba, rainbow houses, home in love us and wicked design &engineering and dolphin scuba center us .
We are dedicated to assisting our users in finding the right gear Products based on their needs, saving them considerable time when choosing which diving safety gear to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.