The Husky 000087R 1-inch M NPTF x 1-inch F NPTF High-Flow Multi-Plane Swivel is compatible with diesel fuels and Ethanol blends through E10. Compact and lightweight for easy handling. High flow rates due to laminar flow design. High strength step, shoulder bearing diameters and impact absorbing stops. Double o-ring seals at each swivel provide long life at low temperatures (negative 40 F/C).