Tech Master High Pressure Hoses - 300 bar SWP to EN ISO 14113 Elastomer Polymer Lined Hoses. Suitable for most Industrial Gases with the exception of Oxygen Oxygen Mixtures SKU Description Gas GCS06078 Tech-Master High Pressure Hose 900mm 1/4NPTF x 1/4NPTF Non-Oxygen Oxygen Mixtures Exc. Oxygen GCS06126 Tech-Master High Pressure Hose 900mm G3/8 RH FM x G3/8BSP RH FM Non-Oxygen Oxygen Mixtures Exc. Oxygen GCS06128 Tech-Master High Pressure Hose 900mm G3/8 RH FM x BS341 No.3 Male Non-Oxygen Oxygen Mixtures Inert GCS06130 Tech-Master High Pressure Hose 900mm G3/8 RH FM x BS341 No.4 Male Non-Oxygen Oxygen Mixtures Fuel GCS06133 Tech-Master High Pressure Hose 900mm G3/8 RH FM x BS341 No.8 Male Non-Oxygen Oxygen Mixtures CO2 GCS06193 Tech-Master High Pressure Hose 900mm G3/8 RH FM x BS341 No.13 Male Non-Oxygen Oxygen Mixtures N2O GCS06214 Tech-Master High Pressure Hose 900mm G3/8 RH FM x BS341 No.30 Male Non-Oxygen Oxygen Mixtures Inert NEVOC Tech-Master High Pressure Hose 900mm