Features:-measures: 230 mm x 78 mm diameter - weight: 0,3 kg - Material: aluminum alloy - capacity: 0,98 liters - filling pressure: 175 psi (12 bar) - usable Gas: 20 litres - valve: 7/16 "28NS/2 ma 5-99 ppm ± 5% - tolerance: > 100 p pm ± 5% - transportation: A 1956 class 2 - mix: non-reactive mixtures and a limited range of reactive mixtures.