Flexible Ducting 4 in. x 25 ft.

Ideal for air cooled hoods and can be used in a variety of heating, ventilating or exhausting applications. These flexible aluminum air ducts are made from tough, puncture resistant 3 ply aluminum foil laminate with a high density, corrosion resistant wire helix in the duct wall for support. The smooth interior also aids in noise reduction. Includes 2 stainless steel clamps. 4in. x 25ft.