Dryer Vent Wall Plate (4 Inch, Black) Plastic Duct Connector Flange for Ventilation Straight Pipe, Cooling and Heating. Small Through The Wall Trim Collar Ducting with Mounting Plate Quick Connect : Amazon.ca:
How to Tell When to Replace Dryer Vent | Westward 360
YIJUHOU Dryer Vent Hose, 4 Inch 10FT Aluminum Air Ducting, Flexible Non-Insulated Duct with 2 Clamps : Amazon.ca: Home