This triple-protected finish provides long-lasting durability. The process includes a zinc galvanizing spray, followed by an epoxy paint and then a top coat of polyurethene. The result is a beautiful cosmetic finish. - 3442 psi (237 bar) working pressure- Phosphatized-cleaned interior- DOT SP13488 and TC SU7694-237- O2 cleaned for use with up to 40% pre-blended nitrox- Includes self-draining tank boot with round rim- Inlet thread is standard 3/4"-14 NPSM Includes XS Scuba PRO Valve - Standard yoke outlet with spin-out DIN insert converts to 230 bar DIN outlet- 3/4”-14 NPSM standard inlet threads- Clean for pre-blended Nitrox up to 40% oxygen- 1.5 handwheel rotations from fully on to fully off Specifications: In Sea Water with Valve: HP117 Service Pressure: 3442 psi Buoyancy *Full: - 9.12 lbs Buoyancy * Empty: 0.16 lbs Weight Empty: 37.6 lbs Outside Diameter: 8.00" Length: 24.2" REE: 100c