Industry Expertise

For over 40 years, Submersible Systems has been designing and perfecting a life-saving product made for divers by divers. With years of knowledge and experience combined with reverse engineering and quality material, Submersible Systems successfully developed the original redundant air supply, Spare Air in 1979. Since its inception, Spare Air has become an industry leader in the diving world.

Quality Care & Service 

Submersible Systems prides themselves on providing customers with quality service and American-made products you can depend on. Components are designed, assembled and packaged with love in their Huntington Beach, CA factory. Utilizing proper test equipment to maintain rigorous standards, Submersible Systems only produces high quality life support equipment designed to save your life in an out-of-air emergency.

There is no substitute for quality and when it comes to your life, there’s truly nothing more valuable. At Submersible Systems, quality, service and dependability are the main focal points. With over 350,000  of Spare Air units sold Spare Air remains the undeniable “go-to” product for out-of-air emergencies.

Divers around the world echo positive sentiments about Spare Air. Whether you’re an expert diver or a newcomer just getting started, Spare Air is there to maximize your underwater adventures by providing you with that extra peace of mind…so you can continue doing what you love.


Not only are they trailblazers in the diving industry, Submersible Systems has developed a solid rapport with consumers and dealers all around the world. 

Check out the top 5 reasons/differentiators you should choose Spare Air for your redundant air source. 

  • Quality 
  • Industry leaders
  • Dependability
  • Made with you in mind
  • Exceptional service