The Spare Air is small enough to fit in the palm of your hand, yet large enough to get you to safely to the surface in most out-of-air emergencies

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Trade-in your older Spare Air for a brand new one!

Trade-In GraphicSpare Air Trade-In OfferFor a limited time, we're offering an $80 credit towards a new Spare Air when you trade in your old 1800 psi model or 3000 psi model. Our newest models feature an always-on design that supplies life saving air in an emergency without any requirement to turn a valve on and much more breathing time than the 1800 psi models.

How it works.

Fill out our Repair/Maintenance/Trade-in Form with complete payment information, and ship your Spare Air to:

Spare Air Trade-In Offer
Submersible Systems, Inc.
7413 Slater Avenue
Huntington Beach, CA 92647 USA


  • to fill out the form completely. Print neatly and include a telephone number and email address so we can contact you with any issues.
  • to release all the air pressure from the tank.
  • payment information matches shipping address.
  • to send a complete Spare Air model, no partial units (regulator or tank only) accepted. Units with minor damage accepted.
  • only one unit per customer.
  • to call us if you have any questions: 1-800-648-3483 / 1-714-842-6566 (international/local).
  • to include any special stories about how Spare Air saved your life, or how you used your Spare Air over the years. We'll add it to our website!
  • to know: "where is your next breath?"