Ultimate Dryer Vent Seal
Webthis 4 dryer vent seal has a floating shuttle that stays closed unless there is a load of clothing drying. A positive seal keeps cold or hot air out as well as unwanted pests. Webwhen the clothes dryer or bath fan operates, the exhaust air pressure pushes the damper to let the exhaust air escape from the vent. You can easily use the exhaust vent for new. For filling larger vent gaps, foam is the best choice.
Webhow to seal a dryer vent pipe:
