Description NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical-resistant, rustproof and maintenance-free, lightweight and easy to install. NDS has a full line of drainage products, fittings and accessories available. Attractive Solution for Outdoor Living Spaces Easy Installation
Dimensions 1-1/2 in. H. Diameter: 4-5/8 in. , Inner Diameter: 3-15/16 in.