High Purity Helium Tank 99.99% (19g / 106 liters)When purity matters, there's no room for compromise. This compact, Italian made helium tank delivers 99. 99% pure compressed helium ready to use straight out of the box for precision applications, balloon inflation, leak detection, and more. At just 19g with 103+ liters of gas, it's the portable, high performance solution growers and lab users reach for when they need clean, reliable helium without the hassle of a full size cylinder. Why the High