DANCO Ceramic Disk Cartridge for Glacier Bay, Aquasource and Pegasus Single-Handle Faucets, 1-Pack (89932) This product is contructed of durable plastic and brass, meaning it was built for longevity, durability and reliability. Designed for Pegasus and Glacier Bay Single Handle Tub/Shower faucets. Engineered with a ceramic disk mechanism for optimization. Finished in a sleek and modern white/brass style. This product is in compliance with the Reduction of Lead in Drinking Water Act.