The Spare Air is the right size to be there when you need it but not get in the way of your dive

Submersible Systems, 45 years of saving lives 1979 to 2019

Spare Air - The life-saving mini SCUBA tank.

A skydiver wears a reserve parachute, a SCUBA diver should have a reserve breathing system. For 45 years we’ve supplied divers with the smallest, most-compact redundant system available for out-of-air-emergencies. The patented SPARE AIR should be a standard piece of SCUBA diving equipment for the safety minded diver. In an out-of-air-emergency, why would you trust your life to anything else? Read stories from divers who are alive because of SPARE AIR. is the official Spare Air mini SCUBA tank website for divers, snorkelers, boaters, and any short term emergency air needs.

Introducing Spare Air's Big Brother:
6 cu. ft. of lifesaving air
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Save your own Life!
Read testimonials from divers like you

A better choice...
...than a Pony System, Octopus or Buddy Breathing

Spare Air is Refillable!
Fills from SCUBA tank or 3 other ways

Do you know the 21 ways divers run out of air?
What would you do if you ran out of air?

Easy to Travel With!
Take on any airplane to your dream vacation

Original Manufacturer & always made in the USA
Over 350,000 sold since 1979. Tested & Approved by the US Navy

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