NDS 3" Green Polyolefin Flat Top Atrium Grate. Made of structural foam polyolefin with UV inhibitors, this durable grate has an open surface area of 9.50 Sq.In. and a flow rate of 12.45 gpm. It fits 3" sewer and drain pipe and fittings, 3" corrugated pipe, and 3" triple wall pipe. Backed by a limited lifetime warranty.

• 3 in. Green Flat Top Structural Foam Polyolefin Atrium Grate with UV inhibitors.
• Open surface area of 9.50 Sq.In.
• Flow rate of 12.45 gpm.
• Fits 3 in. sewer and drain pipe and fittings, 3 in. corrugated pipe, and 3 in. triple wall pipe.
• Ideal for planter beds, mulch areas, window wells & areas prone to debris collection