Dundas Jafine MFX48D2DZW Vents, 4" x 8' Contains 4" x 8' Semi Rigid flexible all Aluminum Duct, elbow and extention piece Connects clothes dryer to exhaust port easily and prevents duct from being crushed Can be easily removed for cleaning Friction fit to dryer allows no clamps to be used Included extention piece for recessed dryer connections