9" BLK SQ Grate

NDS 9" Black Square Polyolefin Grate is a square structural foam polyolefin grate with UV inhibitors. It has an open surface of 28.40 sqin and a flow rate of 37.20 gpm. It fits speed basin, 6" sewer & drain pipe & fittings, and 6" corrugated pipe. It can withstand loads of 1-60 psi and is recommended for pedestrian, bicycles, and wheelchair traffic. It comes with a limited lifetime warranty.