Kohlerrite-tempsingle-handle pressure-balancing unit service repair kit - 180100</br>This is highly durable</br>This is manufactured in United states</br>Kohler Genuine Part</br>Used in most shower valves</br>Diaphragm design which eliminates freeze-ups</br></br>Product Description</br></br>Kohler Genuine Part?? Cartridge shower for pressure balance valves?? Used in most shower valves.</br><br/>http://www.amazon.com/gp/product/B001GZZDCS