NDS 9" Black Square Polyolefin Grate, made from durable structural foam polyolefin with UV inhibitors, ensures longevity and resistance to fading and cracking. This grate has an open surface area of 28.40 sqin and a flow rate of 37.20 gpm, making it suitable for draining moderate flows from lawns, landscaped areas, patios, walkways, and under downspouts. It fits speed basin, 6" sewer & drain pipe & fittings, and 6" corrugated pipe, and can withstand loads of 1-60 psi, making it suitable for pedestrian, bicycles, and wheelchair traffic. Comes with a limited lifetime warranty.
WARNING: This product can expose you to chemicals, including Vinyl Chloride which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov