Keep your heating system running efficiently with E.H.C.'s premium chrome radiator air vent bleeder valve set. This comprehensive package includes three 1/8-inch MIPS coin key bleeder valves and one matching valve key for convenient operation. The durable chrome finish not only adds a polished look but also provides lasting protection against corrosion. These industrial-grade control valves are precision-engineered to effectively remove trapped air from your radiator system, helping maintain optimal heating performance. The coin key design offers simple operation while ensuring secure access. Perfect for both residential and commercial heating systems, these bleeder valves are built to professional standards and are easy to install. The 1/8-inch MIPS (Male Iron Pipe Size) threading ensures compatibility with standard radiator systems.