Deflecto EX12 Extra Heat Dryer Heat Saver

• Converts clothes dryer into extra source of heat;• Safety flap allows for outside venting to deflect heat outside during warm weather;• Deflects heat & moisture from drying clothes inside during cold weather;• Removable/cleanable lint screen;• 4" dia with 2 clamps;• For use with electric dryers only;• Includes diverter to allow exhausting outside during warmer weather;• Does not include ducting;