MagVent MV-90 Magnetic Dryer Vent Coupling For 90 Venting, or Vent Pipes Exiting Side Wall, Floor or Ceiling in New & Existing Construction. Strong Magnets Self-Align & Attach Dryer Hose to Exit Vent. Utilizes Zero Flame Spread, UL 2158A Approved Dryerflex Transition Hose. Shorter Dryer Hose & More Rigid Metal Pipe Reduces Drying Time & UtilitiesIt Pays For Itself! Easy, Solid Installs that Boost Dryer Efficiency & Safety!