Gas Filled No Neck Thread 17E ; EN ISO 11363-1 (W19.8) Base Concave Tare Weight Approx 3.8 [kg] Water Capacity 3 [L] Working Pressure 166 [bar] Test Pressure 250 [bar] Outside diameter 111 [mm] Height 475 [mm] Colour Marking Standard SANS 10019 Painting/Color Coding