Single material, like PET, MPET, PVC and Alu tape, could be used to make flexible air duct. The regular size is as below:

PET: 0.012-0.03mm

MPET: 0.012-0.03 mm

PVC: 0.06-0.1mm

Alu tape(semi):0.05-0.12mm

Single layer air duct is the ideal choice for venting industry.

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