DrainTech 0663SDG Drop-In Atrium Grate, 5/16 in Grate Opening, 23.91 sq-in Open Surface Area, Polyethylene

Made of highest quality structural foam polyethylene with UV inhibitor. For use in all areas of vegetation and trees. Use in non-traffic areas where lawn mowers are excluded. 6 fits 6 S/ D pipe fittings, 6 bell end, 6 corrugated and 6 catch basins. O pen surface area 23.91 sq.in. 5/16 grate opening. D, SDR 35, 2729 S&D Triple wall.Made of highest quality structural foam polyethylene with UV inhibitor. For use in all areas of vegetation and trees. Use in non-traffic areas where lawn mowers are excluded. 6 in fits 6 in S/D pipe fittings, 6 in bell end, 6 in corrugated and 6 in catch