Features: Durable, Long-lasting, Safe Scuba cylinders Our cylinder is made of Proprietary 6061 alloy, which is a balanced aluminum-magnesium-silicon blend. All Cylinders are cycle-tested over 100,000 times at service pressure to ensure the best endurance and reliability throughout the usage of the cylinder. Testing pressure up to 2.5 times service or working pressure. Made in USA, manufactured to US DOT standard (Department of Transport) Corrosion-resistant interior and exterior with Thick, damage-resistant walls. Working pressure 3300psi while most existing cylinders has 3000psi working pressure*. That’s 10% higher then other cylinders. Each cylinder comes with certificate of material and DOT requirement standard. Choice of Standard and Neutral-Balance cylinder. Service Pressure : 3300 psi / 228 BAR Air Capacity : 98.8 ft³ / 2798 Liter Diameter : 8″ (inch) / 20.32 cm Lenght w/o Valve : 26.2″ (inch) / 66.57 cm Empty Weight : 41.0 lbs / 18.6 kg Water Volume : 8.05 in³ / 13.2 Liter Weight w/o Valve : 29.0 lbs / 13.15 kg Buoyancy at Sea (Full) : -4.3 lbs / -1.97 kg Buoyancy at Sea (Half) : -0.6 lbs / -0.29 kg Buoyancy at Sea (Empty) : 3.1 lbs / 1.39 kg Thread Size : 0.750-14 NPSM, M25 x 2.0
