NDS 78S 4inchSand FLT Atrium Grate

4Inch, sand, flat top, structural foam Polyolefin, atrium grate, with UV inhibitors, open surface area is 17.00 sequin, flow rate of 22.27 GPM, fits 4Inch sewer & drain pipe & fittings, 4Inch corrugated pipe, & 4 inch Triple wall pipe.

Features
  • Recommended for pedestrians
  • High quality product
  • Manufactured in China
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