{"product_id":"nds-1290-12-atrium-grate-black","title":"NDS 1290 12\" Square Atrium Grate - Black HDPE, 11.75 x 11.75 x 6 in","description":"\u003cp\u003eThe NDS 1290 12\" Square Atrium Grate is a durable, UV-protected HDPE grate designed to keep leaves, mulch, and debris out of 12\" catch basins while allowing efficient water flow. Its domed atrium pattern rises above surrounding surfaces to intercept surface debris and direct runoff into the drainage system. Built for landscape and light-traffic applications, the grate is rustproof, chemical-resistant, and low-maintenance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Designed for NDS 12\" x 12\" catch basins, risers, and low-profile adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e UV-stabilized high-density polyethylene (HDPE) for outdoor durability and fade resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11.75\" length × 11.75\" width × 6\" height; lightweight for easy handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic capacity:\u003c\/strong\u003e 154.79 GPM and 3\/8\" grate openings for reliable flow while blocking large debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Domed atrium pattern prevents clogging from mulch and leaves; maintenance-free and chemically resistant.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse the NDS 1290 Atrium Grate in planter beds, mulch areas, window wells, patios, and other landscape locations where debris and heavy surface flows are a concern. The grate pairs with the NDS 12\" catch basin series and simple adapters for quick installation. Because it is made from UV-protected HDPE, the grate resists sun damage and remains stable over time, offering a long-lasting alternative to concrete drain covers. Check product spec sheets and installation guides for load-class guidance when used in vehicular areas.\u003c\/p\u003e","brand":"NDS","offers":[{"title":"Default Title","offer_id":43671416457,"sku":"1290","price":86.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/1290-2_558a3b4a-f7c3-4fc4-8fce-526ac9577dcc.jpg?v=1503293869","url":"https:\/\/www.sprinklersupplystore.com\/products\/nds-1290-12-atrium-grate-black","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}