The Parker 81116 is a genuine 811 Series suction and return hose, featuring a 25.4 mm (1-inch) inner diameter. Designed for petroleum-base hydraulic fluids and lubricating oils, it offers a working pressure of 20.68 bar (300 psi) and a vacuum rating of 28 inHg. Constructed with a nitrile tube, one braid of high-tensile steel wire reinforcement, and a synthetic rubber cover, it operates efficiently in temperatures ranging from -40°C to +100°C. Its robust design ensures reliable performance in various industrial hydraulic applications.