The NDS 6 in. Green Round Polyethylene Atrium Grate is a plastic fitting designed for home improvement and plumbing projects. Made of durable polyethylene material, this round grate features a height of 5.65 inches and a length of 6.75 inches, making it ideal for use in various applications. The manufacturer, NDS, ensures quality and reliability, while the green color adds a touch of aesthetics to your project. Please note that this product may contain chemicals, including those listed under California Prop 65 Warning.