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. Electric and gas clothes dryer manufacturer recommended Rigid yet flexible semi-rigid dryer duct Suitable for all electric and gas clothes dryer installations UL certified 2158A clothes dryer transition duct Series Name: Rigiflex Hood Height (Inches): 6.5 Hose Diameter: 4 Hose Length (Inches): 96 Elbow Included: No For Use With: Electric or gas dryers Gas Connector Included: N/A Hood Material: Plastic Hood Type: Louvered with guard Hood Width (Inches): 6.3 Hose Included: Yes Hose Type: Semi-rigid Kit Type: Outdoor exhaust Lint Collector Included: No Lint Trap Included: No Number of Clamps Included: 2 Vent Extender Included: No Vent Hood Included: Yes Warranty: 1-year limited CA Residents: Prop 65 Warning(s): No Safety Listing: UL safety listing UNSPSC: 72151200