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Spare Air 600PK-N Package - Nitrox

Spare Air  |  SKU: 600PK-N
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Product Information

The Spare Air 600PK-N Package is a Nitrox-ready redundant backup scuba air system built around a 6 cu ft black anodized aluminum cylinder, rated to 3000 psi and compatible with Nitrox blends up to 40% EAN. It is made for divers who already breathe Nitrox and want a self-contained backup air source they can refill directly from their own Nitrox scuba tank.

Who it is for

This package is intended for Nitrox divers who want a redundant air supply with more capacity than the standard 3 cu ft Spare Air. The 600-N provides twice the amount of air of the standard 3 cu ft Spare Air, giving a diver a backup source of air to reach the surface in an out-of-air emergency. It is refillable in seconds from any full Nitrox scuba tank or air compressor, so it fits naturally into a Nitrox diver's existing fill routine.

Key details

  • Capacity: 6 cu ft / 170 liters
  • Service pressure: 3000 psi / 207 bar
  • Length: 13.3 in / 34 cm
  • Diameter: 3.2 in / 8.2 cm
  • Weight: 3.4 lb / 1.5 kg, under 4 lbs
  • Surface breaths: 114, based on 1.5 liters per breath
  • Regulator type: balanced single stage
  • Cylinder material: black anodized aluminum
  • Nitrox rating: up to 40% EAN
  • Manufactured in the USA

Compatibility and sizing

The 600-N is refillable from any full Nitrox scuba tank or air compressor using the included refill adapter, which lets a diver top it off from gear already on hand.

What's in the box

  • Spare Air 6 cu ft cylinder
  • Holster with quick-disconnect straps
  • Mouthpiece cover
  • Safety leash
  • Refill adapter
  • Pressure indicator, dial gauge sold separately
  • Printed owner's manual

DiveCatalog.com is an authorized Spare Air dealer and a dive shop in Irvine, California, serving divers since 2003. Call or chat with us if you have questions about fit, refill compatibility, or how the 600-N compares to other Spare Air models.

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Frequently Asked Questions

How is the Spare Air 600PK-N refilled?

The 600PK-N refills in seconds from any full Nitrox scuba tank or air compressor using the included refill adapter. It is rated to a service pressure of 3000 psi / 207 bar, so it can be topped off directly from a diver's own Nitrox fill without a separate compressor station.

What is the difference between the Spare Air Model 600 and 600-N?

Model 600 is the standard air version; the 600-N, part number 600PK-N, is rated for Nitrox up to 40% EAN and refills from a Nitrox tank.

How many surface breaths does the Spare Air 600PK-N provide?

It provides 114 surface breaths, based on 1.5 liters per breath, from its 6 cu ft / 170 liter capacity cylinder. This is twice the air volume of the standard 3 cu ft Spare Air model.

Does the Spare Air 600PK-N come with a pressure gauge?

The package comes with a pressure indicator; a separate dial gauge is sold separately and is not included in this package. The package does include the cylinder, holster, safety leash, and refill adapter.