{"product_id":"nds-999s-9-sq-grate-sand","title":"NDS 999S 9\" Square Catch Basin Grate - Sand, UV-Stable HDPE","description":"\u003cp\u003eThe NDS 999S 9\" square catch basin grate in Sand provides a lightweight, maintenance-free cover option to keep leaves and debris out of your drainage system. Made to work with the NDS 9\" x 9\" catch basin series, this grate combines UV-treated polymer durability with a clean, low-profile appearance that blends into landscaped and hardscaped areas.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial \u0026amp; finish:\u003c\/strong\u003e UV-stable HDPE \/ structural foam polyolefin for long-term outdoor resistance to fading, cracking, and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact fit:\u003c\/strong\u003e Designed to fit NDS 9\" x 9\" catch basins, risers, and low-profile adapters for quick, secure installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Nominal 8-7\/8\" x 8-7\/8\" x 1-1\/8\" overall (fits 9\" square opening).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic performance:\u003c\/strong\u003e Generous open surface area (approx. 39.50 sq in) with a flow capacity around 51.75 GPM under 1\/2\" head, keeping surface water moving efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Ideal for lawns, landscaped areas, under downspouts, patios, walkways, and other pedestrian zones where reliable surface drainage and low visual impact are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLightweight and rustproof, the 999S installs easily and requires minimal maintenance—periodic debris removal is typically all that’s needed. For engineering, vehicular-load recommendations, or ADA and code questions, refer to the NDS technical datasheets and load-rating documentation to confirm suitability for specific project conditions.\u003c\/p\u003e","brand":"NDS","offers":[{"title":"Default Title","offer_id":43672732745,"sku":"999S","price":39.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/999S-2_a8b9ebeb-a3b4-4085-bb4f-24750b3f65c0.jpg?v=1503336260","url":"https:\/\/www.sprinklersupplystore.com\/products\/nds-999s-9-sq-grate-sand","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}