The VITRA Concealed Cistern Internal Mechanism 426185YP - 436317YP is designed for use with concealed cisterns, ensuring a reliable and efficient flushing mechanism. This internal component facilitates the smooth operation of the toilet system, contributing to effective waste removal and overall functionality. It is engineered for durability and ease of installation, making it a practical choice for both new builds and renovations. The mechanism is compatible with various VITRA concealed cistern models, providing versatility in application.