The 40069 Pressure-Balance Shower Cycling Replacement Cartridge by Moen is a durable and high-quality product designed for home plumbing fixtures. Made from zinc, this towel bar cartridge ensures longevity and reliability in controlling water pressure in your shower. Ideal for maintaining and improving the functionality of your shower system, this replacement cartridge is a practical and efficient choice for any home improvement project related to plumbing and fixtures.