DANCO GB-1 Ceramic Catridge for Aquasource and Glacier Bay Single-Handle Faucets, Ceramic, Blue, 1-Pack (89902) REPLACEMENT CARTRIDGE - Replacing your cartridge helps repair leakt faucets and conserves water and energy FITS GLACIER BAY SINGLE-HANDLE FAUCETS - Single-handle replacement ceramic cartridge for Glacier Bay models 169-640, 704-612, and 704-615) HOT AND COLD COMPATIBLE - Use for both hot and cold water applications MATERIALS - Ceramic disk mechanism with a blue finish COMPLIANT - Complies with the Reduction of Lead in Drinking Water Act (RLDWA)