NDS 4" Black Round Structural Foam Polyolefin Grate with UV inhibitors. It features an open surface of 3.85 Sq.In. and a flow rate of 5.04 gpm, ensuring efficient drainage. This versatile grate fits 4" sewer and drain pipe and fittings, 3" corrugated pipe, and 4" triple wall pipe, making it suitable for various applications. It is designed to withstand pedestrians, bicycles, and wheelchair traffic, ensuring safety and durability. Backed by a limited lifetime warranty, this grate is a reliable choice for your drainage needs.

• 4 in. Black Round Structural Foam Polyolefin Grate
• Open surface of 3.85 Sq.In.
• Flow rate of 5.04 gpm.
• Fits 4 in. sewer and drain pipe and fittings, 3 in. corrugated pipe, and 4 in. triple wall pipe.
• Recommended for pedestrians, bicycles, and wheelchair traffic.