{"product_id":"atco-rubber-products-fd-6x25-r6fb-flex-duct-6in-x-25ft-r-6","title":"Atco Rubber Products FD-6X25-R6FB Flex Duct 6in X 25ft R-6","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ATCO RUBBER PRODUCTS FD-6X25-R6FB is a 6-inch diameter, 25-foot flexible air duct with R-6 insulation, designed for low-to-medium operating pressure HVAC applications in residential and light commercial systems. The outer jacket is constructed from a tri-directional fiberglass scrim reinforced metallized polyester film, providing durability and vapor resistance. The inner core is air-tight for efficient airflow with minimal leakage. This flex duct carries UL 181 Class 1 Air Duct certification, making it suitable for supply and return branch runs in forced-air systems. HVAC installers and sheet metal technicians are the typical trade professionals handling this product.\u003c\/p\u003e\n\u003cp\u003eThis flex duct is suited for residential and light commercial forced-air HVAC installations where insulated flexible duct is required for branch runs, transitions, or connections between rigid ductwork and diffusers or grilles. The R-6 insulation rating meets common energy code minimums for unconditioned space installations such as attics and crawlspaces. Its 25-foot length provides enough material for multiple branch connections from a single roll, reducing waste on larger jobs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eUL 181 Class 1 Air Duct certified for use in low-to-medium pressure HVAC systems\u003c\/li\u003e\n  \u003cli\u003eR-6 insulation value meets common energy code requirements for unconditioned spaces\u003c\/li\u003e\n  \u003cli\u003eTri-directional fiberglass scrim reinforced metallized polyester outer jacket for durability and vapor control\u003c\/li\u003e\n  \u003cli\u003eAir-tight inner core designed to minimize air leakage in pressurized duct systems\u003c\/li\u003e\n  \u003cli\u003e6-inch diameter, 25-foot length suitable for standard residential branch duct runs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style flexible duct solution for residential and light commercial forced-air HVAC supply and return branch applications requiring UL 181 Class 1 rated insulated flex duct.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician in accordance with SMACNA guidelines and applicable local mechanical codes. Power down the air handler and shut off the system before disconnecting or connecting duct sections. Secure both ends of the flex duct with approved strapping and UL 181B-listed mastic or metal tape — standard duct tape is not approved for UL 181 systems. Support the duct at proper intervals to avoid sags that restrict airflow and reduce system efficiency.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 25 feet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Rating\u003c\/strong\u003e: R-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Jacket\u003c\/strong\u003e: Tri-directional fiberglass scrim reinforced metallized polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL Certification\u003c\/strong\u003e: UL 181 Class 1 Air Duct\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 27 inches x 10 inches x 10 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 11.64 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ATCO RUBBER PRODUCTS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: FD-6X25-R6FB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATCO RUBBER PRODUCTS","offers":[{"title":"Default Title","offer_id":51268012245298,"sku":"FD-6X25-R6FB","price":71.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308913449.webp?v=1780696897","url":"https:\/\/voomisupply.com\/products\/atco-rubber-products-fd-6x25-r6fb-flex-duct-6in-x-25ft-r-6","provider":"Voomi Supply","version":"1.0","type":"link"}