{"product_id":"s-p-crhb-4-500-n-500mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-500 N 500mm Roof-Mounted Fan","description":"\u003cp data-start=\"425\" data-end=\"1080\"\u003eThe \u003cstrong data-start=\"429\" data-end=\"473\"\u003eS\u0026amp;P CRHB\/4-500 N 500 mm Roof-Mounted Fan\u003c\/strong\u003e is a high-performance centrifugal roof extractor designed for commercial and industrial ventilation systems. Built with a \u003cstrong data-start=\"596\" data-end=\"639\"\u003elow-profile horizontal discharge design\u003c\/strong\u003e, it allows efficient airflow while minimizing roof height. The fan features a \u003cstrong data-start=\"718\" data-end=\"758\"\u003ebackward-curved centrifugal impeller\u003c\/strong\u003e and a durable \u003cstrong data-start=\"773\" data-end=\"800\"\u003eexternal rotor AC motor\u003c\/strong\u003e, delivering strong airflow with reliable energy efficiency. Its robust construction includes a \u003cstrong data-start=\"896\" data-end=\"967\"\u003egalvanised steel base, aluminium weather cowl, and protective guard\u003c\/strong\u003e, ensuring long-term durability and resistance to harsh outdoor conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1082\" data-end=\"1085\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1087\" data-end=\"1113\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1114\" data-end=\"1673\"\u003e\n\u003cli data-section-id=\"1hb4c2z\" data-start=\"1114\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1238\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1125\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for corrosion resistance and structural strength. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"g1l8gp\" data-start=\"1239\" data-end=\"1342\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1342\"\u003e\u003cstrong data-start=\"1241\" data-end=\"1250\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood for outdoor protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jd8whq\" data-start=\"1343\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1358\"\u003eImpeller:\u003c\/strong\u003e High-efficiency backward-curved centrifugal impeller. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hz38zs\" data-start=\"1453\" data-end=\"1563\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1563\"\u003e\u003cstrong data-start=\"1455\" data-end=\"1465\"\u003eMotor:\u003c\/strong\u003e External rotor AC motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gaqew4\" data-start=\"1564\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1566\" data-end=\"1583\"\u003eSafety Guard:\u003c\/strong\u003e Steel finger-proof guard to prevent debris entry. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353611346245,"sku":null,"price":2262.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_a40d827f-8256-46d6-8404-afd921a530d9.png?v=1773215479","url":"https:\/\/directductsupplies.com\/products\/s-p-crhb-4-500-n-500mm-roof-mounted-fan","provider":"Direct Duct Supplies","version":"1.0","type":"link"}