This ultra high purity helium gas, with a remarkable purity level of 99.999%, is ideal for a variety of specialized applications. Packaged in a high-pressure steel cylinder, this K-sized container holds an impressive 218 ft³ of this colorless, odorless, and nonflammable inert gas, making it suitable for uses ranging from balloon inflation to advanced shielding in welding processes. With a cylinder pressure of 2200 psig and a connection valve conforming to CGA 580 standards, this helium is not only safe but also reliable for industrial and scientific needs, ensuring that you have the highest quality gas available for your projects.