The Moen 116711 Eco-Performance Aerator Flow Restrictor is a replacement part that is designed for repairing problematic plumbing fixtures without the need to replace them. This product is an authentic Moen replacement part and is designed for hassle-free installation. The Moen 116711 Eco-Performance Aerator Flow Restrictor fits the following models: Chateau, Castleby, Villeta, Eva, Brantford, Level, and more. This product is a great way to save water and money. The Moen 116711 Eco-Performance Aerator Flow Restrictor reduces water consumption without sacrificing water pressure. This product is easy to install and is a great way to conserve water.