materials Cap is constructed from quality plastic and metal for enhanced durability and longevity. Enhanced functionality T Branch Pipe Kit is designed for open cooling systems, ensuring effective coolant distribution and pressure management. Quick pressure release Cap safely releases pressure, enabling efficient cooling and reliable vehicle performance. Easy installation Nohassle installation and removal process, simplifying maintenance compared to conventional caps. Applications and scenarios Use in vehicles with open cooling systems during routine coolant topping, replacement, or bleed procedures to maintain proper pressure and prevent leaks. Use during coolant system flushing or to facilitate air removal and reduce the risk of overheating. Use in workshop or field service environments where quick cap removal and reinstallation speeds up diagnostics and maintenance while minimizing vehicle downtime.