The ultimate clean shower for your family: since shower heads are known to harbor high concentrations of harmful bacteria, keeping them clean is essential. Developed by a world leader in antimicrobial innovation, microban technology works 24/7 on a molecular level to protect product surfaces from mold, mildew, and bacteria. It never washes off or wears away, always keeps your shower head cleaner between cleanings, and provides life-long antimicrobial protection against product degradation.