Get this Rigiflex Outdoor Exhaust Dryer Vent Kit delivered onsite. Rigiflex dryer duct vent kit is flexible yet rigid. This duct is patented and is electric and gas clothes dryer manufacturer recommended. Rigiflex duct is suitable for all electric and gas clothes dryer installations and is UL certified. Rigiflex duct requires no elbows as it can form tight 90 degree turns. Kit includes all components to properly vent your clothes dryer. UL certified 2158A clothes dryer transition duct.