[Size] - Outer Diameter: 19mm; Inner Diameter: 16mm; Cross-Section Diameter: 1.5mm [Hardness] - 70A Durometer (Shore Hardness) for resistance to penetration [FKM] - Standard Fluorine Rubber with a wide temperature range from -30 (-22°C) to 280 (536°C) [Application] - Widely used for pressure washer, filter, pump, water hose, plumbing pipe, mechanical and much more [NOTE] - Please confirm the required size and material before purchase, and put it in the right place