Spare Air Original Mini Scuba Tank - Small Emergency Backup Diving Equipment 3 & 6 Cu Ft.Options- Made in USA - DOT Marked Tank with Holster, Leash, and Refill Adapter Color:Spare Air 300-N Package Nitrox Hood Air Venting System (HAVS)

Hood Air Venting System (HAVS) that uses a one-way valve to eliminate annoying air buildup and features a 5mm double layered protection in critical heat loss areas

Zeagle Envoy Octopus

The Diaphragm is made from High Quality Silicone Rubber

5" x 2" and we will also include our generic log for FREE ($12

Ozone and Chemical resistance

Spare Air Original Mini Scuba Tank - Small Emergency Backup Diving Equipment 3 & 6 Cu Ft.Options- Made in USA - DOT Marked Tank with Holster, Leash, and Refill Adapter Color:Spare Air 300-N Package Nitrox Hood Air Venting System (HAVS)Features: YOUR SAFETY SECURED: The Spare Air Emergency Tank was created after its inventor had a close call running out of air and barely escaping to the surface in time. With this simple backup tank you can ensure you'll always have enough air to return. SIMPLE TO USE: The Spare Air system is designed to be simple so you can access your backup air any time. This refillable cylinder can be handed off to a fellow diver in trouble and begin providing