16in 25ft 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.
D-shaped Rings: D-shaped rings are set for hanging the ducting freely. Two stainless steel rings plus 4 D-shaped rings of two meters for one ring.
Ropes Adjustable: Thick ropes can be adjusted to fit the duct' mouth size, ensuring a good-sealing environment and high woking efficiency. Two hose can be spliced to achieve the desired length, or cut with professional tools to get short length.
Reinforced Design: Wear resistant professional industrial adhesive tape and thickened high carbon wire spring ensure rings to be practical and durable. The strong structure allows the duct to stand up to tough conditions between -22°to 212°F (-30~100℃) temperature.
Wide Application: The flexible heavy duty 16 inch duct designed for ventilation applications includingduct fans and vent exhausts in factories, basements, farms, chemical, tunnel, automobile manufacturing, ect.