Hart & Cooley® by Duravent Flexible Air Duct, Insulated Class 1, Series: FB218, 14 in Inside Dia, 25 ft Length, 5000 fpm, R8 Insulation Value, 0.04 perm Vapor Transmission, -1/2 to 12 in-WC, -20 to 140 deg F, Polyester/Metalized Polyester, Domestic
Domestic/Import : DomesticFlow Rate : 5000 fpmInside Diameter : 14 inInsulation Value : R8Length : 25 ftMaterial : Polyester/Metalized PolyesterPressure Rating : -1/2 to 12 in-WCSeries : FB218Temperature Rating : -20 to 140 deg FType : Insulated Class 1Vapor Transmission : 0.04 perm
Metalized polyester jacket reinforced with fiberglass scrim2-ply black polyester coreGreen
* Gaurd level 4 highly microbial resistant