NDS Black PVC Round Grate, 4 in. is designed to fit 4-inch sewer and drain pipes as well as 4-inch corrugated pipes, making it a versatile choice for various drainage applications. Crafted from durable Poly Vinyl Chloride (PVC), this round grate combines strength and longevity with a sleek black finish that complements its robust construction. I for managing water flow and debris, it ensures reliable performance in both residential and commercial settings. The grate's precise 4-inch size s a secure fit, enhancing overall drainage efficiency and ease of installation. Model Number: No. 11