About This Flexible Pvc Ducting: Applied hard-wearing, flexible vinyl woven polyester with carbon wire spring and adhesive tape, smooth inside wall. Designed to be super flexible and flame-retardant.With a temperature tolerance of -20°F to +180°F, it is suitable for industrial and residential use. Ropes Adjustable: Thick ropes can be adjusted to fit the duct's mouth size, ensuring a good-sealing environment, high working efficiency, and more. D-Shaped Rings: Flexible duct features D-shaped rings design for hanging the PVC flexible duct smoothly.: The duct' mouth size is 12 inch with length: 16 ft, binging the lightweight duct hose a large cability and high woking efficiency. High Performance and Reinforced Design: Wear resistant professional industrial adhesive tape and thickened high carbon wire spring ensure rings to be practical and durable. Wide Application: Our flexible HVAC Ducting is designed for ventilation applications, including duct fans and vent exhausts in factories, basements, farms, chemicals, tunnel, automobile manufacturing, etc. Overview Brand : ONNAO Material : Polyvinyl Chloride (PVC) Color : Yellow Product Dimensions : 192"L x 12"W Item Weight : 4.46 Kilograms Item Length : 192 Inches Manufacturer : SENPENG Number of Packs : 1 Unit Count : 1.0 Count Specific Uses For Product : construction, home use, industrial settings