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

Spare Air Logo

Visit our Facebook Page
Safety First

At Submersible Systems, Inc., we believe our Spare Air can save your life. Recreational and commercial SCUBA Diving is dangerous, and safety should always be the number one concern. We have compiled a huge amount of data from independent resources and from our own research to convince divers to carry an independent source of air.

Read about why the owner of Spare Air, Larry Williamson, decided to invent a better SCUBA backup after he almost lost his life in a diving emergency. 

View excerpts from letters written to us by people who have experienced first hand the capabilities of Spare Air.

If you think it will never happen to you, review 21 ways a diver can run out of air.

Compare Spare Air to other redundant air supply systems.

Dive magazines also publish countless articles on  safety issues.  Look at just a few about buddy breathing and redundant air supply. 

And, finally, add the Safe Diving Checklist to your SCUBA dive log or to keep with your dive gear... it may just save your life.