{"product_id":"300-300mm-250mm-dia-adaptor","title":"300x300mm to 250mm Diameter 4-Way Vent Adaptor | Duct Transition Fitting","description":"\u003cp data-end=\"78\" data-start=\"0\"\u003e\u003cstrong data-end=\"78\" data-start=\"0\"\u003e300x300mm to 250mm Diameter 4-Way Vent Adaptor | Duct Transition Fitting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"368\" data-start=\"80\"\u003eEnsure smooth and efficient airflow with this \u003cstrong data-end=\"170\" data-start=\"126\"\u003e300x300mm to 250mm diameter vent adaptor\u003c\/strong\u003e, designed to transition from square ceiling vents or plenums to round ductwork. Ideal for HVAC systems, this adaptor helps maintain consistent airflow while minimising turbulence and pressure loss.\u003c\/p\u003e\n\u003cp data-end=\"532\" data-start=\"370\"\u003eConstructed from durable materials, it is built to handle the demands of residential and light commercial installations, providing reliable long-term performance.\u003c\/p\u003e\n\u003chr data-end=\"537\" data-start=\"534\"\u003e\n\u003ch3 data-end=\"559\" data-start=\"539\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"559\" data-start=\"543\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"842\" data-start=\"560\"\u003e\n\u003cli data-end=\"607\" data-start=\"560\"\u003e\u003cstrong data-end=\"605\" data-start=\"562\"\u003e300x300mm square to 250mm round adaptor\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"680\" data-start=\"608\"\u003e\n\u003cstrong data-end=\"639\" data-start=\"610\"\u003eSmooth airflow transition\u003c\/strong\u003e – reduces turbulence and pressure drop\u003c\/li\u003e\n\u003cli data-end=\"731\" data-start=\"681\"\u003e\n\u003cstrong data-end=\"707\" data-start=\"683\"\u003eDurable construction\u003c\/strong\u003e – built for longevity\u003c\/li\u003e\n\u003cli data-end=\"775\" data-start=\"732\"\u003e\u003cstrong data-end=\"773\" data-start=\"734\"\u003eSuits standard HVAC ducting systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"813\" data-start=\"776\"\u003e\u003cstrong data-end=\"811\" data-start=\"778\"\u003eEasy to install and integrate\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"842\" data-start=\"814\"\u003e\u003cstrong data-end=\"842\" data-start=\"816\"\u003eLow maintenance design\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"847\" data-start=\"844\"\u003e\n\u003ch3 data-end=\"871\" data-start=\"849\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"871\" data-start=\"853\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1056\" data-start=\"872\"\u003e\n\u003cli data-end=\"906\" data-start=\"872\"\u003e\n\u003cstrong data-end=\"890\" data-start=\"874\"\u003eSquare Size:\u003c\/strong\u003e 300mm x 300mm\u003c\/li\u003e\n\u003cli data-end=\"936\" data-start=\"907\"\u003e\n\u003cstrong data-end=\"928\" data-start=\"909\"\u003eRound Diameter:\u003c\/strong\u003e 250mm\u003c\/li\u003e\n\u003cli data-end=\"992\" data-start=\"937\"\u003e\n\u003cstrong data-end=\"955\" data-start=\"939\"\u003eApplication:\u003c\/strong\u003e Square to round airflow transition\u003c\/li\u003e\n\u003cli data-end=\"1056\" data-start=\"993\"\u003e\n\u003cstrong data-end=\"1008\" data-start=\"995\"\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1061\" data-start=\"1058\"\u003e\n\u003ch3 data-end=\"1083\" data-start=\"1063\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1083\" data-start=\"1067\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1218\" data-start=\"1084\"\u003e\n\u003cli data-end=\"1112\" data-start=\"1084\"\u003eCeiling vent connections\u003c\/li\u003e\n\u003cli data-end=\"1138\" data-start=\"1113\"\u003eHVAC duct transitions\u003c\/li\u003e\n\u003cli data-end=\"1167\" data-start=\"1139\"\u003eAir distribution systems\u003c\/li\u003e\n\u003cli data-end=\"1218\" data-start=\"1168\"\u003eResidential and light commercial installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1223\" data-start=\"1220\"\u003e\n\u003ch3 data-end=\"1261\" data-start=\"1225\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1261\" data-start=\"1229\"\u003eInstallation \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1492\" data-start=\"1262\"\u003eDesigned to connect \u003cstrong data-end=\"1319\" data-start=\"1282\"\u003e300x300mm square vents or plenums\u003c\/strong\u003e to \u003cstrong data-end=\"1346\" data-start=\"1323\"\u003e250mm round ducting\u003c\/strong\u003e. Compatible with most standard HVAC systems. Ensure all joints are properly sealed to maximise efficiency. Professional installation recommended.\u003c\/p\u003e\n\u003chr data-end=\"1497\" data-start=\"1494\"\u003e\n\u003ch3 data-end=\"1528\" data-start=\"1499\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1528\" data-start=\"1503\"\u003eImportant Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1659\" data-start=\"1529\"\u003e\n\u003cli data-end=\"1563\" data-start=\"1529\"\u003eConfirm sizing before purchase\u003c\/li\u003e\n\u003cli data-end=\"1611\" data-start=\"1564\"\u003eDesigned for HVAC airflow applications only\u003c\/li\u003e\n\u003cli data-end=\"1659\" data-start=\"1612\"\u003eSeal all connections to prevent air leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1664\" data-start=\"1661\"\u003e\n\u003ch3 data-end=\"1698\" data-start=\"1666\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1698\" data-start=\"1670\"\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1836\" data-start=\"1699\"\u003eA practical and reliable solution for \u003cstrong data-end=\"1800\" data-start=\"1737\"\u003eefficient duct transitions and improved airflow performance\u003c\/strong\u003e, helping optimise your HVAC system.\u003c\/p\u003e","brand":"HVAC Zone","offers":[{"title":"Default Title","offer_id":48935016759536,"sku":"10108","price":5.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/7886\/3600\/files\/AC_Grille_Neck_adapter.png?v=1774301400","url":"https:\/\/hvaczone.com.au\/products\/300-300mm-250mm-dia-adaptor","provider":"HVAC Zone","version":"1.0","type":"link"}