It’s smart to buy a duct cleaning kit that’s strong, and one which has extender poles that screw jointly. Brushes with metal springs is often difficult to navigate through the duct, as they are generally flimsier. These hoses can be a recognised fire threat. I personally changed the original semi-rigid http://clean-dryer-vent42086.aioblogs.com/18747481/the-definitive-guide-to-clean-dryer-vent