the semi rigid dryer duct ensures fire safety by preventing flame and smoke spread within a temperature range of -22°F to 482°F
【Size 】Diameter for 4" opening Ideal for room exhaust and intake ventilation use
connecting to the duct to prevent large amounts of lint
ensuring a healthy indoor environment
this dryer vent hose allows for 90-degree bending
PVC Flexible Duct Hosing 16.4 FT/5 M Gray flap shutter the semi rigid dryer ductPVC 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