Best Seller | 2x Duct Connector Metal Duct Coupling Vent Coupler Dryer Pipe Coupling - Silver This duct coupler can act as a connector for two pvc pipes or hoses, easily helping you extend the ventilation pipe. It is very useful for connecting the pipes of bathroom fans, range hoods, dryers and dust collectors to the ventilation duct system. more | | $32.99 FREE shipping go to store |