9-inch flat square grate cover with a bottom outlet that attaches directly to 6" sewer and drain pipe, corrugated pipe, triple wall pipe, 6" belled end pipe, 6" SDR fittings, and 6" round catch basin. This grate helps to collect and remove excess water from driveways, patios, yards, and any other outdoor areas. ADA-compliant, designed for maximum strength and durability, StormDrain Water Management Systems grates feature UV inhibitors that prevent fading and cracking from the sun. These chemical-resistant and rustproof grates are maintenance-free, lightweight, and easy to install. Use with Model Numbers FSD-060-CB FSD-060-CB-1 FSD-060-CB-2