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which the interior PET provides
& EN 13180 standards
Refrigerant - 1/2" White Insulation - 50' Long
Slots are angled to diversify the airflow in 2 way direction
Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment
4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow which the interior PET provides+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value Insulation A thick blanket of fiberglass insulation provides you with an R Value of 4. 2 Energy Efficient Air tight inner core decreases the pressure loss and provides a more hygienic environment high energy efficient No fiberglass erosion into air stream Design Designed to withstand bends and sharp turns without kinking. Tough reinforced
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