3/4/5/6/8inch 5M Flexible Ducting Vent Pipe Aluminum Foil Duct Hose Ventilation

(Light Resist: Thick layer of Black PVC on this ducting prevents light leaks. 1)Thick layer of Black PVC on this ducting prevents light leaks. 2) Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to.

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