Spare Air Nitrox compatible cylinder with regulator, yellow holster, safety leash, and refill adapter.
Spare Air DIN air compressor refill adapter with quick disconnect fitting for filling from a high pressure compressor.
Clear Spare Air travel pack bag used to carry Spare Air accessories and gear during transport.
Close-up of the Spare Air dial pressure gauge showing PSI and BAR levels.
Spare Air safety leash with coiled tether and clip for securing the unit to a BCD or dive gear.
Back view of the yellow Spare Air holster showing adjustable mounting straps and attachment points.
Yellow Spare Air holster with quick release straps and mouthpiece cover shown on a white background.
Hand attaching the Spare Air refill adapter to a scuba tank valve during the filling process.
Spare Air DIN refill adapter used to fill the cylinder from a DIN scuba tank valve.
Spare Air DIN refill adapter used to fill the cylinder from a DIN scuba tank valve.
Spare Air Nitrox compatible complete kit with cylinder, holster, refill adapter, safety leash, manuals, and retail box.
Submersible Systems

Spare Air Nitrox Ready, 3 cu.ft. Package

Sale price$319.99 Regular price$350.00
Save $30.01

Choose from these options:

Cylinder Markings: DOT (USA/Non-EU)
Refill Adapter: Yoke (910C)
Pressure Gauge: Pin Style Indicator

Professional emergency breathing system rated for up to 40% EAN Nitrox.

The Spare Air Nitrox Ready package is designed for divers who use enriched air and need a compact, reliable backup air source. This life-support equipment provides critical redundancy for emergency ascents, entanglements, or out-of-air situations.

Key Features:

  • 3 cubic foot capacity – compact yet effective emergency air supply
  • Nitrox-ready up to 40% oxygen (EAN40)
  • Available with DOT or ISO cylinder markings for regional compliance
  • Choice of Yoke (910C) or DIN (910D) refill adapter for compatibility with your scuba system
  • Standard pin-style pressure indicator or optional dial gauge upgrade
  • Lightweight and easy to mount on your BCD or harness

Technical Specifications

  • Part Number: 300PK
  • Dimensions: 13.4" L × 2.25" diameter (34 cm × 5.7 cm)
  • Weight (full): 2.2 lb / 1 kg
  • Pressure Rating: 3000 psi / 207 bar
  • Cylinder Volume: 3 cu ft / 85 liters
  • Water Volume: 30 cu in / 0.5 liters
  • Cylinder Material: Aluminum – Black Anodized
  • Pressure Relief: Integrated in regulator
  • Regulator Type: Balanced Single Stage
  • Operational Temperature: -22°F to +158°F (-30°C to +70°C)
  • Surface Breaths: 57*

Configuration Options:

Select your cylinder marking (DOT for USA/non-EU or ISO for EU requirements), refill adapter type (Yoke or DIN), and pressure gauge preference before adding to cart. All options ensure full compatibility with your diving setup and regional safety standards.

This is professional dive safety equipment. Choose your configuration carefully to match your existing gear and local regulations.

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