ISC Spare Air 300


SPARE AIR is the smallest redundant SCUBA system available with enough air to get you to the surface in an out-of-air emergency The patented SPARE AIR should be a standard piece of SCUBA diving equipment for the safety-minded diver. Explore the wealth of information about our product and diving in general Our goal is to convince you to save your own life in an out-of-air emergency


  • 3.0 cubic feet of air (57 surface breaths)
  • Tank finish in Neon Yellow for safety
  • Easily refills from your own SCUBA tank with included refill adapter (patented)
  • Easily attaches to your BC with included holster and safety leash
  • Small, hands-free, nearly neutrally buoyant
  • Breathe on demand regulator - No complicated instructions
  • Completely redundant back-up miniature SCUBA system
  • Faster than buddy breathing and easier than an octopus