150 CU FT OXYGEN CAPACITY - Large capacity cylinder for oxy-acetylene welding and cutting operations, medical oxygen use, and industrial applications. Extended run time reduces refill frequency for busy commercial shops, fabrication facilities, and healthcare operations. High-volume capacity suitable for professional welders, metal fabricators, and large-scale operations. CGA540 OXYGEN VALVE - Oxygen-specific CGA540 connection with 3/4" NGT inlet thread ensures safe, proper fitment. Compatible with oxygen regulators and equipment. Medical oxygen requires doctor's prescription. Service pressure 2216 PSI. HEAVY-DUTY STEEL CONSTRUCTION - Durable seamless steel cylinder with thick walls rated for 2216 PSI service pressure. Green oxygen-grade painted finish for easy identification. Includes steel cap and collar for valve protection. 7" diameter x 50" height, 61 lb tare weight. Letter S industry designation. WELDING & INDUSTRIAL APPLICATIONS - Suitable for oxy-acetylene welding and cutting torch work, metal fabrication shops, manufacturing operations, automotive repair, and industrial processes. Also used for medical oxygen therapy in healthcare facilities. Large capacity for commercial operations needing extended work time between refills. Compatible with Victor, Harris, Miller, and ESAB equipment. DOT APPROVED - SHIPS EMPTY - Meets DOT specifications for compressed oxygen cylinders. Ships empty per shipping regulations - fill at your local gas supplier. Oxygen cylinders require oxygen-clean equipment (no oil or grease). Medical oxygen requires valid prescription. Large 150 cu ft capacity minimizes downtime from refills. High-quality 150 cu ft steel industrial oxygen cylinder. Heavy-duty construction with thick walls and a durable painted finish. The tank has great low-temperature delivery. The guarantee date of manufacture or hydro test is within 12 months. DOT, ISO/UN, and TC approved. Please be sure to use a regulator that fits the cylinder valve, and that is correct for your application of use. Product note: compressed gas cylinders can be dangerous if used improperly. Please be careful, know the correct procedures for use, and exercise caution when connecting and using any compressed gas device. All cylinders ship empty. Please consult your local compressed gas supplier for filling needs.