4" Inch Flexible Aluminum Ducting Hose Insulated R-8.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long


High Quality: Aluminum Housing On the Outside and on the Inside For The Best Insulation Value.Air-tight Inner Core Decreases The Pressure Loss and Provides A More Hygienic Environment- High Energy Efficient / No fiberglass erosion into air stream..Thick Blanket of Fiberglass Insulation: Which Gives You A R-Value of 8.0.Tough Reinforced Metallized Polyester Jacket - Tear and puncture resistant - Air-tight Inner Core - No fiberglass erosion into air stream..Designed To withhold Bends And Sharp Turns Without Kinking



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