Quality you can rely on. Catalina has been manufacturing aluminum SCUBA cylinders for over 30 years, and today is a leading supplier in the global SCUBA cylinder market. State-of-the-art manufacturing facilitates located on the East and West coasts of USA All SCUBA cylinders are produced from high quality North American sourced raw materials On-site DOT (IIA) Inspections – dimensional, visual, hydrostatic, tensile & burst testing Serialization – complete traceability of cylinder production batch, test reports and raw material Personalized customer support – technical inquiries, new product development, logistics Customizable colors, labels and graphics 3000 SERIES – 3000 PSI (207 BAR) WEIGHT LBS: 31.3 KGS: 14.2 liters : 9 Other Information Specification: – DOT-3AL & TC-3ALM designed – ISO design cylinders are available Alloy: – Manufactured from high strength aluminum alloy 6061-T6 Threads: -Standard 3/4-14 NPSM – Other thread sizes available upon request Markings: – As required by specification – Additional markings available upon request Finish: – Shot blasted, fully brushed and powder coat finishes available Graphics: – Logos or labels in silkscreen or Duragrafix available upon request Accessories: – Valves installed upon request