available in green or black The French Drain Man 6" Grate is a high-quality drainage solution made from 100% virgin HDPE, ensuring the utmost durability and strength.Unlike other drainage grates that use recycled materials, this grate is constructed using mold injection technology, guaranteeing a superior quality product. Our Drain Grate contains no blown-in fillers, which can weaken the grate over time, and its unique dome shape prevents debris from laying flat and impeding water and air flow.