4 inch Round Grate

The NDS 4‑in Round Grate in black plastic is designed to connect with 4‑in sewer & drain pipe, 4‑in corrugated single‑wall pipe, and 4‑in triple‑wall pipe. It features a round design with an open surface area of approximately 3.9 square inches and a flow capacity of around 12 gallons per minute, making it well‑suited for light surface water drainage in small lawns, patios, landscaped beds, and walkways.

Product Notes:

Fits standard 4‑inch drainage pipe systems, including sewer & drain and corrugated types
Open surface area of about 3.9 sq in and flow rate around 12 GPM
Made from UV‑resistant HDPE for long‑lasting outdoor performance
ADA compliant and designed to resist pedestrian wear

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Categories: Drainage Products, Irrigation & Drainage, NDS

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Constructed from high‑density polyethylene treated with UV inhibitors, this grate resists fading and cracking. It is ADA compliant and heel‑proof, offering reliability and durability in professional outdoor installations throughout Maryland and Washington, DC.

At RELS, we’re pleased to offer full-service delivery to Montgomery County, MD, including areas such as Silver Spring, Rockville, Bethesda, and surrounding areas. So, not only will you find all the landscaping products your project needs, but you’ll also enjoy delivery to your job site or home, of whatever products you might need. Please keep in mind that we deliver products to your home or work site and that we cannot drive our heavy trucks off black top as it can damage the edge of the driveway, and the grass in your yard.

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