{"product_id":"m-m-503atd7-air-tite-round-start-collar-with-damper-7-in","title":"M\u0026M 503ATD7 Air-Tite Round Start Collar With Damper, 7 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe M\u0026amp;M 503ATD7 Air-Tite Round Start Collar is designed for efficient air distribution in HVAC systems. This product features a damper for controlling airflow and is made from galvanized steel for durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMetal flange with Air-Tite gasket\u003c\/li\u003e\n\u003cli\u003ePlated steel damper hardware with locking handle\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThe collar provides an effective seal at the joint, enhancing system performance.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: M\u0026amp;M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: M\u0026amp;M Manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 7 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Air-Tite Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 5-1\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Galvanized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 503ATD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ASTM A653 CS Type B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M\u0026M","offers":[{"title":"Default Title","offer_id":50437068063026,"sku":"503ATD7","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/191664235.jpg?v=1758520383","url":"https:\/\/voomisupply.com\/products\/m-m-503atd7-air-tite-round-start-collar-with-damper-7-in","provider":"Voomi Supply","version":"1.0","type":"link"}