HIGH QUALITY: Standard Propane with purity > 95%. Purer Fuel, Burns Clean; FUEL CONTENTS: Net weight 14.1 Oz, Pack of 4 valued pack kit; ALL-PURPOSE: USA standard CGA 600 devices compatible, perfect for both business and home applications, including welding, soldering, brazing, cooking, gardening, and more; HOT BURN: Flame temp in Oxygen=2,821°C/5,110°F; Flame temp in Air=1,982°C/3,600°F, BTU/Cu.Ft.=2,498; BLUEFIRE Standard Propane Gas is the most popular disposal portable fuel gas cylinder available on the North American market, pre-filled net weight 14.1oz, versatile and powerful, working with almost all propane torch head and other devices that equipped the 1" CGA600 US standard connectors. Perfect fuel for both business and home applications, whether you are cooking or welding, BLUEFIRE standard propane is your best choice.