NDS NDS74 3'' in. Round Polyolefin Atrium Grate, HDPE, Black Enhance your irrigation system with the NDS 3" Atrium Grate, designed to provide reliable surface water drainage while preventing clogs caused by debris. Crafted from durable polyolefin with a UV-inhibited black finish, this round atrium grate is ideal for mulch areas, planter beds, window wells, and other spaces prone to debris accumulation. It efficiently channels excess water from patios, driveways, and landscape zones, offering a strong yet lightweight solution that resists corrosion, fading, and cracking. Compatible with 3" sewer and drain pipe systems, corrugated, and triple-wall pipe types, this ADA-compliant grate boasts an open surface area of 9.4 square inches and a flow rate of 12.31 GPM. It installs easily and supports light foot traffic, making it a practical, low-maintenance choice for both residential and commercial landscapes. Features Durable polyolefin construction with UV inhibitor for long-lasting performance Open surface area of 9.4 square inches and 12.31 GPM flow rate Fits 3" sewer and drain pipes, corrugated pipe, and triple wall pipe Lightweight, corrosion-resistant, and maintenance-free Ideal for planter beds, patios, driveways, and other outdoor applications ADA compliant; designed to minimize clogging from mulch and debris Drop-in installation with round black grate design Specifications Brand: NDS MPN: 74 UPC: 052063000740 Color: Black Shape: Round Pipe Size: 3" Connection Type: Drop-In Material: Polyolefin Length: 3" Height: 3.7" Diameter: 3" Weight: 0.15 lb Grate Open Area: 9.4 sq in Standards: ADA Compliant Product Application This 3" atrium grate is ideal for yard drains and other outdoor drainage systems where leaves, mulch, or debris could block traditional flat grates. Perfect for use in residential landscaping, commercial properties, and irrigation systems, it ensures smooth water flow while keeping unwanted material out of the drainage line.