Actual Volume:0.3 (L) Actual Weight:0.46 (KG) Length:251mm Outer diameter:54mm Straight Thread Bottle Mouth:M18*1.5 Working Pressure:300 BAR Hydraulic Test Pressure:500 BAR Design Working Life:15 Years Re-Test Period:3 Years Fiber Material:Carbon Fiber Liner Material:6061 Aliuminum Alloy