【Size】Outer diameter 43mm, width 2.5mm. Color: Black. 【Material】Nitrile rubber. High temperature resistance, acid resistance, corrosion resistance, and wear resistance. 【Features】Standard nitrile rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C). 【Applications】Widely used in high-pressure washers, filters, pumps, water hoses, piping pipes, maintenance, automobiles, and machinery. 【Note】Please check the size and material before purchasing. BB1①-61