DURAN® Connection Piece, 90° angle, with standard ground coneDURAN Connection Piece, 90 angle, NS 14 23 Connectors are transition pieces with olive and have an olive instead of the second standard ground joint. Tubes can be connected via this olive, which allow e. g. the connection of a vacuum pump. Features and Benefits: Tight closure due to standard ground joint 90 angle With standard ground cone Easy and tight connection of hoses Fired on, highly durable white print Application: Connection of hoses