【Safe & Durable】: Outer diameter: 135mm / 5.3"; Inner diameter: 130mm / 5.1"; Cross-Section Diameter: 2.5mm / 0.1". O-rings are made of fluorine rubber, which has excellent elasticity, flame retardant insulation, sealing performance, resistance to compression set, a wide operating temperature range (-20°C / -4°F to 200°C / 392°F), and is oil-resistant, heat-resistant, and wear-resistant.

【Wide Application】: O-rings are suitable for a variety of sealing applications, including piping, machinery, hydraulics, and pneumatics. Widely used for food processing, household appliances, automotive engines, industrial equipment, faucets, filters, hydraulic systems, and connections for air, gas, water, and oil.

【Easy Install】: Metric pipe O-rings are easy to install, secure, and remove, and are not easily deformed. They can be easily installed simply by snapping them in, and are used to replace leaking O-rings.

【Meet Your Needs】: Fluororubber O-rings have a smooth surface, free of burrs or rough edges, providing excellent sealing performance and effectively preventing corrosion and leakage. They can be used for sealing components such as chemical equipment, pipelines, and valves.

【Use Tips】: Note - Please confirm the required size and material before purchasing and place it in the correct position. Manual measurement may cause some error, please refer to the actual product