Hose Master Annuflex Stainless Steel 321 Flexible Hose Assembly, 1-1/2" Carbon Steel NPT Male Connection, 531 PSI Maximum Pressure, 18" Length, 1-1/2" ID Flexible hose assembly for chemical, gas, oil, or hydraulic transfer operations Hydroformed, corrugated 321 stainless steel tube for uniform wall thickness, flexibility, and resistance to high temperatures Single-braid 304 stainless steel reinforced cover for strength Maximum working temperature of 850 degrees F Two factory-installed carbon steel male NPT fittings