NDS Duracast In-Line 6-Inch Round Grate open surface area 9.0 square inches. 11.79 GPM. H-20 load rating. Fits 6-inch corrugated and sewer and drain pipe. Our heavy duty cast iron Duracast grates meet H-20 load rating standards for loads of 326 - 575 psi. Choose from our selection of cast iron or ductile iron of 6" to 12" wide.
Material Ductile Iron
Color Black
Length 5.81
Width 5.81 in.
Height 2-7/8"
Weight 7.3000