T&S 013788-45 "cold" left-to-close (blue) ceramic cartridge stem assembly is designed for specifically for use with your Equip by T&S faucets.
Product Compliance
This product is part of the finished good by the same manufacturer which has been certified by a third party to be compliant with the "Safe Drinking Water Act" requirements for low lead in potable (human consumption - drinking and cooking) and non-potable (non-human consumption) water applications.