Dundas Jafine AF325 Flexible Aluminum Foil DuctDundas Jafine?ÇÖs flexible aluminum foil duct is ideal for general purpose exhaust applications.?á This duct is made from 3 ply aluminum foil laminate with a maximum operating temperature of 250??F.Dundas Jafine AF325 Flexible Aluminum Foil Duct Features:; Ideal for use in general purpose exhaust applications including clothes dryer and bathroom fans; Made from a 3-ply aluminum foil laminate; 250?? F maximum operating temperature; 3" x 25'Dundas Jafine AF325 Flexible Aluminum Foil Duct Specifications:; Description: 3?Ç¥ x 25?ÇÖ Aluminum Foil Duct; Pack Type: Bulk; Pack Qty: 1