Flexible Duct, For Nominal Duct Diameter 4 in, Wall Thickness 0.125 in, Maximum Temperature Rating 500 Degrees F, Insulation Value Not Applicable, Color Silver, Overall Length 15 ft, Duct Material Aluminum, Maximum Pressure Rating 6 in wc, Maximum Air Speed 5,000 fpm, Vapor Transmission 0.05 Percent, Standards NFPA 90A & B, UL Listed, Material Aluminum, Insulation Material Not Applicable, Inside Diameter 4 in, Product Type Non-Insulated Flexible Duct, Compressed Length 30 in
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