Dundas Jafine Flexible Aluminum Foil Duct 4' x 25' General Purpose Hinges Breathable neoprene lower straps secure

Breathable neoprene lower straps secure below the knee

Reflector nozzle speeds thawing of pipes

19 inches and maximum overall diameter is 3

& Hand Wheel x 3/8" Female Flare

Meets ASTM Standard D2235 and complies with NSF/ANSI 61 health effects requirements

Dundas Jafine Flexible Aluminum Foil Duct 4' x 25' General Purpose Hinges Breathable neoprene lower straps secureDundas Jafines Flexible Aluminum Foil Duct is ideal for bathroom fan venting and other general purpose exhaust applications. This duct is made from 3 ply aluminum foil laminate with a maximum operating temperature of 250F. UL versions of this item are available if required by code. The UL ducts are UL181 listed and marked.