1 layer foil laminate flexible ducting: Made of aluminum, very ethereal Heat-resistent, long lasting 4'' 6'' 8'' 10''

1 layer foil laminate flexible ducting:

Our expandable air duct is made of aluminum and designed for years of use. It will handle temperatures up to 140 degrees and will not kink. It can be cut to length. Available 4'', 6'', 8'' and 10'' diameters. It is designed 0.03mm for thickness. It also can be used together with worm drive clamp. Very professional.

1 layer foil laminate flexible ducting