Medical Portable Oxygen Gas Cylinder 2.8L 3.4L with Cylinders Holder Backpack for Outdoor Use

Medical Portable Oxygen Gas Cylinder 2.8L 3.4L with Cylinders Holder Backpack for Outdoor Use. Customized Color Options: Available in green or customized color according to customer requirements. Wide Pressure Range: Working pressure up to 200bar/300bar with testing pressure up to 300bar. High Purity Gas Supply: Oxygen purity up to 99.999% with strict impurity control standards. International Certifications: Compliant with ISO9809, TPED, DOT and CE. OEM Production Service: Accepts OEM orders with custom branding, logos, and accessories for major clients. Seamless Steel Construction: Manufactured using advanced seamless steel technology for safety and durability.