{"product_id":"m-m-503atd8-air-tite-round-start-collar-with-damper-8-in","title":"M\u0026M 503ATD8 Air-Tite Round Start Collar With Damper, 8 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe M\u0026amp;M 503ATD8 is an air-tight round start collar with a damper designed to enhance airflow system efficiency. This product features a gasketed flange to provide optimal sealing at the joint. It is suitable for use in various HVAC applications where air distribution is essential.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAvailable in twelve sizes from four inches to twenty inches.\u003c\/li\u003e\n\u003cli\u003eConstructed from steel for durability.\u003c\/li\u003e\n\u003cli\u003eFeatures plated steel damper hardware with locking handle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThis collar is engineered for a secure connection in ductwork, minimizing air leaks.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: M\u0026amp;M Manufacturing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number\u003c\/strong\u003e: 503ATD8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 8 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":50013327229234,"sku":"503ATD8","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/191664245.jpg?v=1747058843","url":"https:\/\/voomisupply.com\/products\/m-m-503atd8-air-tite-round-start-collar-with-damper-8-in","provider":"Voomi Supply","version":"1.0","type":"link"}