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 4.2
Tough Reinforced Metallized Polyester Jacket - Tear and puncture resistan - Air-tight Inner Core - No fiberglass erosion into air stream.
Designed To Withold Bends And Sharo Turns WIthout Kinking
4" Inch Aluminum Hose Flexible Insulated R-4.2 Air Duct Pipe for Rigid HVAC Flex Ductwork Insulation - 25' Feet Long
This Aluminum Flex Duct is intended to be used in heating, cooling, ventilation and waste gases transmission lines. Suitable for medium pressure application.
It has an outer surface made of High Quality Aluminum Foil and an inner surface made of Metalized PET with high-tensile spring steel wire between the layers. Thermally insulated with Glass-Wool insulation developed especially for flexible ducting.
Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns, and to hold steady and at full diameter in all applications.
All steel wire are applied between PET surfaces to prevent corrosion (oxidization).
Produced in accordance with ISO 9001 - 2008 Quality Management System.
Complies with industry standards of USA: ASTM D-882. European: EN 10270-1-SM. & EN 13180 standards
By means of the smooth surface, which the interior PET provides, this flex duct decreases the pressure loss and provides more hygienic environment by preventing the formation of bacteria. 100% Satisfaction Guaranteed
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