PVC Flexible Duct Hosing 16.4 FT/5 M Orange flap shutter 【Size 】Diameter for 4" opening

【Size 】Diameter for 4" opening Ideal for room exhaust and intake ventilation use

Application: 4 to 6-inch duct reducer suitable for a wide range of ventilation setups

Strong Anti-corrosion

Easy Installation in Tight Spaces: Designed for narrow installation spaces

Thick ropes can be adjusted to fit the duct' mouth size

PVC Flexible Duct Hosing 16.4 FT/5 M Orange flap shutter 【Size 】Diameter for 4" openingPVC flexible ducting is designed for ventilation applications includingduct fans and vent exhausts in factories, basements, farms, chemical, tunnel, automobile manufacturing, ect. 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. Wear resistant professional industrial adhesive tape and thickened high carbon wire spring ensure rings to