Twin Welding Hose – T Grade, ENISO 3821, for Oxygen & LPG/CNG Size Range: 1/4" / 5/16" / 3/8" | Working Pressure: 300 PSI (20 bar) | Temperature Range: -30°C to +90°C (-22°F to +194°F) The Twin Welding Hose is a high-quality, flexible dual-line hose designed for safe and reliable oxygen and fuel gas delivery in welding, cutting, and related processes. It features separate color-coded lines – one for oxygen (Green) and one for LPG/CNG (Orange) – to prevent cross-connection and