Spare Air Model 300 Package Kit 3.0 cu ft w/ Free DiveCatalog's Safety Whistle

The Spare Air Model 300 Package Kit provides 3.0 cu ft of emergency breathing gas for scuba divers. Designed for recreational diving, this compact system remains unobtrusive while offering a reliable surface ascent option in an emergency. The kit includes Spare Air, a holster, a safety leash, a refill adapter, and the DiveCatalog orange whistle with lanyard for signaling.

Specifications at a glance include a maximum capacity of 3.0 cu ft / 85 liters; length 13.4" (34 cm); diameter 2.25" (5.7 cm); maximum pressure 3000 psi / 207 bar; weight when full 2.2 lb / 0.98 kg; surface breaths 57; water volume 27 cu in / 0.44 liters; cylinder material Aluminum with a black anodized finish; and a balanced single-stage regulator. This information supports planning for scuba and diving gear use in varied conditions.

The system is lightweight and practical for divers who want a straightforward, reliable emergency gas option. Weighing just over 2 lbs, it remains one of the lighter weight options in its class. Refill capability is quick, allowing you to replenish from any full scuba tank, and a pressure indicator is available separately to monitor remaining gas during use.