- 4 in. Green Round Structural Foam Polyolefin Grate with UV inhibitors.
- 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.