Selkirk 4EFC-5S Expandable Flexible Gas Vent Connector, 60 in OAL, Aluminum/Steel, Silver, Galvanized

The Selkirk® model EFC expandable flexible gas vent connector is designed for use with gas-fired appliances equipped with draft hoods and other appliances listed for use with type B gas vent. This model EFC expandable flexible gas vent connector system eliminates the need for elbows and greatly simplifies most gas appliance vent installations.