Ideal for bathroom fan venting and other general purpose exhaust applications. Made from 3 ply aluminum foil laminate with a maximum operating temperature of 250??F. UL versions of this item are available if required by code. UL ducts are UL181 listed and marked.
Specifications
Air Flow Rate : 5500 fpm
Color : Silver
Inside Diameter : 4 in
Length : 25 ft
Material : Aluminum
Temperature Rating : -20 to 250 deg F
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