{"product_id":"metal-fab-3m4-b-vent-4-feet-length","title":"Metal-Fab 3M4 B-Vent 4 feet Length","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe Metal-Fab 3M4 B-Vent is a reliable vent system designed for use with approved Category 1 gas furnaces, heaters, and boilers. This product is Underwriters Laboratories listed, ensuring safety and performance. Its double wall construction allows for installation in residential and commercial settings with minimal clearance to combustibles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHemming eliminates sharp edges on the flue and casing.\u003c\/li\u003e\n\u003cli\u003eTool-free assembly and disassembly with a positive twist lock.\u003c\/li\u003e\n\u003cli\u003e360-degree rotation capability with swivel tees, wyes, and elbows.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThis B-Vent is ideal for domestic applications and is built with durable materials, helping maintain efficiency and safety.\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: Metal-Fab\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 4 feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size\u003c\/strong\u003e: 3 inches x 48 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum alloy (flue), G90 galvanized steel (casing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e: 530 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Thickness\u003c\/strong\u003e: 0.012 inch (inner wall), 0.018 inch (outer wall)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Twist-lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplicable Standard\u003c\/strong\u003e: UL 441, NFPA 54\/211\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Type B double wall round\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"METAL-FAB","offers":[{"title":"Default Title","offer_id":50918218694962,"sku":"3M4","price":36.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/278133419.webp?v=1771550013","url":"https:\/\/voomisupply.com\/products\/metal-fab-3m4-b-vent-4-feet-length","provider":"Voomi Supply","version":"1.0","type":"link"}