Description: This universal narrow section hydraulic seal is made of black nitrile rubber, has a durometer of 90. For use across a wide temperature range from -22 degrees F (-30 degrees C) to 212 degrees F (100 degrees C). For hydraulic and reciprocating environment. Specifications:Inner Diameter: 100mm / 3.94-inchOutter Diameter: 114mm / 4.49-inchHeight: 9mm / 0.35-inchWorking Pressure: <16MPAWorking Temperature Range: -22 degrees F (-30 degrees C) to 212 degrees F (100 degrees C)